How to Make Soap With Essential Oils + EO Blend Calculator Tutorial | Royalty Soaps

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  • เผยแพร่เมื่อ 18 พ.ย. 2024

ความคิดเห็น • 369

  • @eocalc
    @eocalc 2 ปีที่แล้ว +84

    Katie! Thank you so much for showing off the EO Calculator and how you use it! We sincerely appreciate the shout out for the tool. -Holly

  • @jessicapremo3914
    @jessicapremo3914 2 ปีที่แล้ว +243

    Katie!! I know you already have tons of requests but we NEED Local Honey to be a lotion🤩 You've created a scent that is pure comfort and joy🥰Love you & thank you for being an inspiration🙏❤

    • @RoyaltySoaps
      @RoyaltySoaps  2 ปีที่แล้ว +61

      Ooooh noted!

    • @InsomniOwl_
      @InsomniOwl_ 2 ปีที่แล้ว +4

      Please!!

    • @chrisa2735-h3z
      @chrisa2735-h3z 2 ปีที่แล้ว +3

      Aww🥰

    • @caitcee5520
      @caitcee5520 2 ปีที่แล้ว +15

      Yes! My teen son is autistic and this is top of his list of “safe and comforting” smells!

    • @aebbingeable
      @aebbingeable 2 ปีที่แล้ว

      Where did you see local honey in the video?

  • @mer-kim
    @mer-kim 2 ปีที่แล้ว +43

    Katie, you should totally make whipped soaps! They're so beautiful and I would love to see the creativity you put into them!

  • @OpheliasSoapery
    @OpheliasSoapery 2 ปีที่แล้ว +132

    YASSS I love the way you used the orange and Star anise!! 😍😍😍😍

  • @MargoMB19
    @MargoMB19 2 ปีที่แล้ว +96

    I have no plans to attempt soap making in any way but my goodness I love these tutorials!! I love how informative you are and also how much you acknowledge the different ways people can do things and what they could leave out if they wanted. (Please please please a tutorial on melt n pour!)

    • @elaineroth4361
      @elaineroth4361 2 ปีที่แล้ว +1

      You should give it a try... it becomes addictive...

    • @Amira_Phoenix
      @Amira_Phoenix 2 ปีที่แล้ว +1

      Hear, hear. Tons of useful info each time! Essential oils calculator can be so handy in other activities too! And Katie lists all her suppliers so one can get the same stuff if needed. Star anis ans orange slices can be used for kitchen decor 👍

    • @thedrunkengardenernb
      @thedrunkengardenernb 2 ปีที่แล้ว +2

      You should! I started learning everything about it, January 22 and have made two batches so far and am full blown down the soap making rabbit hole. Highly recommend

    • @teijaflink2226
      @teijaflink2226 2 ปีที่แล้ว

      I sort if want to but as clumsy as I am I know I would pour lie water all over myself and that thought scares me.

    • @thedrunkengardenernb
      @thedrunkengardenernb 2 ปีที่แล้ว

      @@teijaflink2226 wear protective clothing, be careful, keep vinegar close, read on how to work with lye... there are worse ingredients out there

  • @Perinkling
    @Perinkling 2 ปีที่แล้ว +58

    ever since i discovered your channel, ive been wanting to make cold process soap, so i really appreciate you making this series!

  • @ModernSoapmaking
    @ModernSoapmaking 2 ปีที่แล้ว +27

    I laughed at the clean worktable! Rest assured, friends, even making soap for over 10 years, mine is always a mess. Katie is just that good!
    Thank so much for sharing our resources and the EO Calc, Katie!

  • @xchrysantha
    @xchrysantha 2 ปีที่แล้ว +66

    Woohoo!!!! Essential oil calculators were so confusing, so I really appreciate this tutorial!!! Especially since I'm allergic to a lot of fragrance oils. Thank you Katie!!!!!!😊💕
    Also just want to say...The Matcha Latte soap is THE BEST. SOAP. I HAVE EVER USED. I have extremely broken eczema skin all over my body, and my skin has never felt so consistently soft. I'm so grateful, thank you for such an amazing soap. (;_; )💕

    • @RoyaltySoaps
      @RoyaltySoaps  2 ปีที่แล้ว +9

      I am so glad you love it!!

    • @ColFlustered
      @ColFlustered 2 ปีที่แล้ว +5

      I also have very broken eczema skin.... I have taken note of this soap lol

  • @MollyMcCarthy8
    @MollyMcCarthy8 2 ปีที่แล้ว +14

    I don't plan on making my own soap, but I love all Royalty Soap videos, and it's been fun to learn about soap making even if I won't use the knowledge myself!

    • @tessalynne6778
      @tessalynne6778 2 ปีที่แล้ว

      I didn't seriously think about trying it for a long time. Katie inspired the art side. I used someone else's recipe for a repurposed oil soap. I actually found someone using bacon grease they saved and another using used frying oil. It fits my philosophy of not wasting things better. After 3 trial batches to just try making something useful, I made a 4th "pretty" batch.

  • @ColFlustered
    @ColFlustered 2 ปีที่แล้ว +22

    You are just such a genuine person. I love that even though you make your living off making soaps, you still provide in depth tutorials to make it ourselves. (Which is why we support you and buy your soaps)

  • @harmonybat
    @harmonybat 2 ปีที่แล้ว +4

    Katie, I love the Royal Academy... and I cannot TELL you how thrilled I was to receive today's email about March!!! I've missed that so much!

  • @delanietaggard7610
    @delanietaggard7610 2 ปีที่แล้ว +9

    Just the person to make me feel better after getting over covid. Thank you Katie!!! 🥰🥰🥰

  • @addysonbeard9341
    @addysonbeard9341 2 ปีที่แล้ว +29

    Hey Katie! My mom and I just made a batch of soap using your recipe and it turned out great! Thanks so much for all your tips.😊

    • @RoyaltySoaps
      @RoyaltySoaps  2 ปีที่แล้ว +4

      OMG HOORAY!!

    • @anastasiabarbadonis498
      @anastasiabarbadonis498 2 ปีที่แล้ว

      Was there green run off in the bath? Can you just use food grade spirulina and chlorella ?

  • @debraclark4812
    @debraclark4812 2 ปีที่แล้ว +1

    Luv this video as always...the natural color was nice and oranges and star anise were delightful...thanks for sharing!!!!

  • @floridacritters802
    @floridacritters802 2 ปีที่แล้ว

    Love all the details like "breaking the fall with the spatula."

  • @autumn9571
    @autumn9571 2 ปีที่แล้ว +13

    Thank you so much for this series! I started a very small soap business at the end of 2020 and it has been so much fun. Your videos have been such an amazing resource.

  • @drazil99
    @drazil99 2 ปีที่แล้ว +8

    Recently hit my year mark of soap making. Started with your royal creative academy and now I have my own recipe.

    • @LocdNative
      @LocdNative 2 ปีที่แล้ว

      Me too…hey classmate

  • @robyn00xx
    @robyn00xx 2 ปีที่แล้ว

    Every video I watch of yours puts me just that much closer to trying to make soap for the first time

  • @katm2419
    @katm2419 2 ปีที่แล้ว +2

    I work in Regulatory for a fragrance producer and I'm very happy to see the eocalc website helps makers use essential oils safely. Thank you Katie for creating great content and amazing products. I love your positivity!

  • @jrbland18
    @jrbland18 2 ปีที่แล้ว +1

    I'm trying to start my BUSSINESS up. Have been ordering alot of things from the top suppliers.
    You are AWESOME.

  • @travisjoyce4678
    @travisjoyce4678 ปีที่แล้ว

    You are the best! I have never made soap before but I binge watch your videos to get through the drudgery of my work day. Your generosity to other shapers and bubbly positivity are infectious!

  • @chelseawood1905
    @chelseawood1905 2 ปีที่แล้ว

    Yes please keep making how to videos, I’m wanting to start making soap, candles, and wax melts and I love watching your videos. 😊

  • @whollyghost00
    @whollyghost00 2 ปีที่แล้ว +18

    I've been watching you for the past six years and I've never been this early 🙃 but hi Katie! You've been my comfort channel for a long time, I always learn from you

  • @shannajhullaby
    @shannajhullaby 2 ปีที่แล้ว

    I don’t think I’ve ever left a comment before but I watch your videos. Thank you for teaching me how to make soap. I’ve really fallen in love with it. You are really kind and supportive. Your energy is really fun and genuine. I really appreciate you.

  • @khalifleur
    @khalifleur ปีที่แล้ว

    I truly appreciate you showing how to navigate eocalc and your soap bars are awesome. Thanks for making soap making fun

  • @tirapatstew1355
    @tirapatstew1355 2 ปีที่แล้ว

    Omg I love natural colorants and essential oils. This green is so pretty. I love it either way. Light green dark green it’s all pretty

  • @lisafleming2144
    @lisafleming2144 2 ปีที่แล้ว

    Girl you are sooo awesome! Not only are you a great teacher, explaining in a language all can understand, but also soooo cute and entertaining. I soooo enjoy watching your videos. Thanks, thanks, thanks soooo much!

  • @HilaVassar
    @HilaVassar 9 หลายเดือนก่อน

    Om this is exactly what i wanted. Most people just want to sell you stuff and say no you cant use other stuff. Thank you for explaining the eocalc. This is so helpful

  • @kimrees6301
    @kimrees6301 2 ปีที่แล้ว +2

    I am recovering from shoulder surgery and during this time I’ve watched all your videos! I am so excited to start making soap and I’m almost there. I have all of my supplies for 6 different batches and just have to get through a bit more physical therapy before I begin. Thank you so very much for your wonderful videos!!

  • @ashleybutler2798
    @ashleybutler2798 2 ปีที่แล้ว +2

    You have inspired me! I made my first ever batch of soap October 2021, because of your knowledge and generosity for helping others.
    I have watched, rewatched, taken notes, and applied all of the Royal Creative Academy series to my soaps and completely thrilled with my results!
    I enjoy everything you do... the high tops, your themes, and the more stripped back natural soaps. Thank you for being real and making today great!
    **Something I'd like to learn: Soap Frosting**

  • @thesoapingllamas5131
    @thesoapingllamas5131 2 ปีที่แล้ว

    Yes yes yes!!!!!!!!!! I am so excited. I followed all your tutorials. ♥️

  • @thepowerofdancewithann
    @thepowerofdancewithann 2 ปีที่แล้ว

    I loved this beautiful soap! Due to work I haven't made soap in a long time & have just watched all your Royal Academy videos again to get me back into the making mood. Thank you for including essential oils and natural colorants and also the EO calculator & how to use it. 💖

  • @Mischiefx
    @Mischiefx 2 ปีที่แล้ว

    Just got your newsletter! I am so glad themed soaps are back!!

  • @jasonstouder
    @jasonstouder 2 ปีที่แล้ว

    I just made my own soap for the first time. Its good. Thank you.

  • @dottiemaesoapery9637
    @dottiemaesoapery9637 2 ปีที่แล้ว

    Katie! Thanks for sharing your knowledge and skills with the world. You are such a blessing to so many! Again Thanks!❤❤😊😊

  • @adelleleone
    @adelleleone 2 ปีที่แล้ว

    Orange and star anise! Lovely! 😍 I am so excited to watch this one!

  • @hart948
    @hart948 2 ปีที่แล้ว +1

    You are the nicest person and your daughter is adorable! Keep doing what you do because it is changing so many lives. You have even inspired me to make soap videos on my TH-cam channel and you are also my favorite TH-camr.

    • @hart948
      @hart948 2 ปีที่แล้ว

      I am also trying to start my own soap business

    • @RoyaltySoaps
      @RoyaltySoaps  2 ปีที่แล้ว

      Awww thank you so much!

  • @lexiwagner4541
    @lexiwagner4541 2 ปีที่แล้ว

    I just came here to tell you that someone did a presentation on your company and shampoo bars specifically in my sustainability marketing class (I'm in college) and I ordered some from you today!! I'm so excited you have such a cool business

  • @terrisuarez7665
    @terrisuarez7665 22 วันที่ผ่านมา

    Thank you very helpful especially with EOcalc! Appreciate all your teachings!😊

  • @bbpierson5903
    @bbpierson5903 2 ปีที่แล้ว

    This was a great video for the royal creative academy videos. Thanks! Answers more than a few questions about EO and soap.

  • @teresaheath6733
    @teresaheath6733 หลายเดือนก่อน

    So happy to find this video. I just started making soap a few months ago and I have been confused about calculating EO to use in my. Recipes. Thank you for the info on the EOcalc!

  • @nrozie01
    @nrozie01 2 ปีที่แล้ว

    I really appreciate how detailed you are in your videos and description area. I am about to try soap making for a side hustle/possible new small business❤

  • @Stephaniescp
    @Stephaniescp 2 ปีที่แล้ว

    Yes, yes, yes!!! Candle making! I really wanna learn that but it seems daunting.

  • @taradavis2634
    @taradavis2634 2 ปีที่แล้ว +1

    I was just searching for you yesterday to see if I missed your videos. Then here you are popping up on my notifications today! Adore your vids. I just cracked open the April pink scrub bar on Monday. Thank you Sunshine!

  • @tweetthang96
    @tweetthang96 2 ปีที่แล้ว +2

    !!!!! Thank you for the essential oil calculator tutorial!! My family is extremely scent sensitive (sensory processing disorder and autism related sensory struggles) and so many fragrance oils sound great but I worry they'll veer into bad scents or be too harsh for my eczema. Essential oils are generally pretty safe for all of us so thank you!

  • @nancymoe4476
    @nancymoe4476 2 ปีที่แล้ว

    I like the idea of using a cheese cutter to slice the bars. Thank you so much for sharing the website for EO info.

  • @KK-ce2hf
    @KK-ce2hf 2 ปีที่แล้ว

    I always love your natural soap designs! 🍊

  • @sarahmallonee
    @sarahmallonee 2 ปีที่แล้ว

    Great video Katie! The bubbly, happiness in your voice is so uplifting and calming. Thank you for all the hard work you put into bringing us videos

  • @elizabethwagner4568
    @elizabethwagner4568 2 ปีที่แล้ว

    Hi Katie.
    Thank you thank you thank you!!!! I have been wanting to find out about essential oils blends,and how to go about using them in soaps. Never knew about eocalc!!! Now I can learn on how to create eo blends. Thank you!!!!

  • @ladydiamond4057
    @ladydiamond4057 2 ปีที่แล้ว

    Thank you for this video and the information for the eo calculations. I only make melt and pour soaps, but I enjoy watching your videos!

  • @emmanuelacharles7097
    @emmanuelacharles7097 2 ปีที่แล้ว +1

    Hey Katie! Thank you so much for sharing the essential oils Calc website with us, and thank you for perfectly explaining in full details how to use it.
    You're a such of an amazing person. I appreciate you so much❤ Thx again😘😍

  • @lexib1308
    @lexib1308 2 ปีที่แล้ว +2

    Very informational, entertaining, and interesting video, Katie! Thank you!

  • @allonewordcaps
    @allonewordcaps 2 ปีที่แล้ว

    Hi. Just a quick painting tip. If you paint the brackets that hold up your shelves the same color as the wall they won’t show up.
    Big fan. Always good to see your videos. 😁🌸

  • @ChristForToday101
    @ChristForToday101 9 หลายเดือนก่อน

    I love your idea that you took and put orange peels on top with the little star anise and I love how you used natural herbs to color it with it gives me an idea of what to do with making green tea soap I think that would be a perfect idea to make the green tea soap really looks special

  • @emilyacevedo4746
    @emilyacevedo4746 2 ปีที่แล้ว

    It’s thanks to watching you make cold process soap over and over again in your videos that made me surprisingly comfortable with the process when I got in to making our own soap last summer. We have a little homestead and we raise our own pork. I found out that lard makes a very nourishing gentle soap so I found a recipe and got started. I along with my children have kind of sensitive skin so I decided to go with “all natural” fragrance oils since it’s cheaper than essential oils.

  • @BarisUtkuAydogan47
    @BarisUtkuAydogan47 2 หลายเดือนก่อน

    I didn't expect it to be such an informative content, thank you so much for everything.

  • @leslierader5249
    @leslierader5249 2 ปีที่แล้ว

    Yet another great video!!! I've been making soap regularly for only a scant 2 years now and your videos are so informative and inspirational, not to mention entertaining! I take away so much from every one! THANKS KATIE! WE ALL LOVE YOU!

  • @katiegustafson6765
    @katiegustafson6765 2 ปีที่แล้ว

    I am so glad you have a video on using essential oils! I never knew how much to use nor how to find out!

  • @arikas_designs23
    @arikas_designs23 2 ปีที่แล้ว +2

    I absolutely love this series katie! I like learning how you teach people how to make soap. I am still begging for a storm theme soap collection!

  • @OsterSocke
    @OsterSocke 2 ปีที่แล้ว

    Hey Katie, I already made just a few batches of soap after watching all of your instructional videos multiple times and being a fan of your channel for a couple of years now. And I'm so excited about this video now, because I have tried using fragrance oils and they worked great so far. No allergies, no bag reactions whatsoever and they smell great! But I'm just a bit on the fence, about using FO vs. EO, so now I'm excited about trying out essential oils, and seeing whether that's an option for me.
    Thanks for everything! Also: just commenting to push the algorithm to do is thing. :) Your channel, and this series deserves it!

  • @lolalalo2857
    @lolalalo2857 2 ปีที่แล้ว +1

    Katie,
    This is a fabulous tutorial.
    Thank you for inspiring me to make a batch of soap. You are simply the best. ❤👍

  • @leena118
    @leena118 2 ปีที่แล้ว

    You are so awesome! I learned how to make soap from you. Your first three videos were excellent! Thank-you for continuing to add to your academy offerings!

  • @estelapiacente7230
    @estelapiacente7230 2 ปีที่แล้ว

    Katie this was very helpful! Took some of the mystery out of using essential oil!!

  • @Serena_Mueller
    @Serena_Mueller 2 ปีที่แล้ว

    I’m so glad this came out not too long after I started soaping. How helpful 😊

  • @solveigw
    @solveigw 2 ปีที่แล้ว

    I got Christmas vibes from the look of these soaps :) Thank you for sharing your knowledge and trade secrets with us.

  • @kristinewells961
    @kristinewells961 2 ปีที่แล้ว

    You’re such a great teacher!

  • @virklad7
    @virklad7 2 ปีที่แล้ว

    This would be an amazing soap for Christmas! I'm a farmhouse/old fashioned girl and this is it. Thanks for all your videos. My kids and I love watching.

  • @freddieivory625
    @freddieivory625 2 ปีที่แล้ว

    Beautiful soap, great tips, thanks for sharing the EO info

  • @roseobsydian
    @roseobsydian 2 ปีที่แล้ว

    I just want to let you know that I love that you made this video! I’m not a soap maker but tutorials are so helpful to so many people 😁 and you are so amazing and knowledgeable and so kind please keep being you!

  • @Lsmit573
    @Lsmit573 2 ปีที่แล้ว

    Katie...you are such an inspirational person with a beautiful personality! Thank you so much for sharing your knowledge, expertise and experience.
    There are so many of us beginners out here that would love to make all the gorgeous soaps we see being made and are somewhat intimidated by the cost of all the supplies but this tutorial was so very helpful ❤️ and reassuring that it can be done simply and on a budget. You are the best girl!!!!

  • @pammasheppard1338
    @pammasheppard1338 2 ปีที่แล้ว

    you are such a great teacher!

  • @jackienui3iwoowkeels310
    @jackienui3iwoowkeels310 2 ปีที่แล้ว

    Hi Katie I love your channel and I want to thank you for giving me the courage to try making my own Soaps and I am a student from first royal academy series and I am in love with creating my own and my family is in love with my soap as well they stopped buying from the store and now my grandkids are asking me to make them soap too thank you so much for giving me the courage to try! Blessings to you and yours 🙏🏾

  • @Amira_Phoenix
    @Amira_Phoenix 2 ปีที่แล้ว

    Tons of useful info each time! Essential oils calculator can be so handy in other activities too! And Katie lists all her suppliers so one can get the same stuff if needed. Star anis ans orange slices can be used for kitchen decor 👍

  • @greenenough1727
    @greenenough1727 2 ปีที่แล้ว

    Thanks Katie. I just got my first soap mold this week and here you are with exactly the soap I needed to make.

  • @katieprice4201
    @katieprice4201 2 ปีที่แล้ว +1

    I feel like the looks of this soap it would be a great addition to your fall line.. I wish I could smell it.

  • @Daydreameruk
    @Daydreameruk 2 ปีที่แล้ว

    How very concise. 👏🏼👏🏼👏🏼

  • @Orcheomai
    @Orcheomai 2 ปีที่แล้ว

    Thank you! Glad that you have this!

  • @starrbunnyart
    @starrbunnyart 2 ปีที่แล้ว

    Looks like a seasonal autumn soap, very pretty!

  • @blossomgumsoapery
    @blossomgumsoapery 2 ปีที่แล้ว

    Awesome! Just what I’ve been looking for! Well explained and covered. Thank you.

  • @LCelaya-dy3dn
    @LCelaya-dy3dn 10 หลายเดือนก่อน

    Thank you so much. I have learned so much from you!

  • @rs-wj1sm
    @rs-wj1sm 10 หลายเดือนก่อน

    Thank you so much for the great instruction!

  • @jamesandrewjohnstone1931
    @jamesandrewjohnstone1931 2 ปีที่แล้ว

    Loved the video...am gonna give this a try.
    Put a new string to my crafting bow.
    Thanks again.Stay safe xx

  • @joannamcvey3286
    @joannamcvey3286 2 ปีที่แล้ว

    Love this soap. Also your nails! Soo cute!

  • @kezru1581
    @kezru1581 2 ปีที่แล้ว

    It's beautiful!! Katie you are a fabulous, everything is so great and easy to understand. We appreciate you.

  • @happymeee1
    @happymeee1 2 ปีที่แล้ว

    This is a beautiful soap!!! Thank you Katie - SOAP ON!

  • @paulamorejon4813
    @paulamorejon4813 2 ปีที่แล้ว

    Thanks for your generosity. You are the best. Candles would be great next. ❤️

  • @marelisaromero4986
    @marelisaromero4986 2 ปีที่แล้ว

    Omg! This was great!! SUPER HELPFUL!!🥰🥰🥰

  • @jenivee7
    @jenivee7 2 ปีที่แล้ว +1

    Really loved this video 🥰🥰🥰 Thank you for the eocalc info!! 💗💗

  • @norawalsh5471
    @norawalsh5471 2 ปีที่แล้ว +1

    What a beautiful soap! I feel inspired now 🤩. Thank you for showing the EO calculator, those can be very confusing. Keep up the awesome work!

  • @osieg
    @osieg ปีที่แล้ว

    Absolutely beautiful! Subscribed 👍🏼

  • @satouru17
    @satouru17 ปีที่แล้ว

    You have been such an inspiration! I finally bought my first soap molds and Micha powders!
    Would absolutely love to see a sugar scrub in here though, honestly great suggestion!

  • @b.c.9358
    @b.c.9358 2 ปีที่แล้ว

    I've just gotten back into making soap, thank you for this video!

  • @majestamalcolm4342
    @majestamalcolm4342 ปีที่แล้ว

    I find you quirky and adorable. Thank you for your videos 😊😊😊

  • @krymsonuchiha14
    @krymsonuchiha14 6 หลายเดือนก่อน

    This is so useful since im going to make more natural soaps! I wont start until i officially have my next visa for me staying in the UK as a graduation present!

  • @jennifrabrown6816
    @jennifrabrown6816 2 ปีที่แล้ว

    Thank you Katie... I'm learning to make soap but I wanted to do essential oils only... So this video is perfect for me! 😊

  • @AngharadMac
    @AngharadMac 2 ปีที่แล้ว

    I'm so excited. This reminds me of wassail at winter solstice

  • @staceyburghardt3777
    @staceyburghardt3777 2 ปีที่แล้ว +3

    I don’t make soap but I make tons of sugar scrub and bath salts. The eocal site is great for me to find new scent blends. I would like to see more tips for things like sugar scrubs. I love watching your videos in any case because the are fun and the soaps are always beautiful.

    • @BTS-eh4fq
      @BTS-eh4fq 2 ปีที่แล้ว

      Where do u get your sugar scrubs from I don't know were to get them

    • @staceyburghardt3777
      @staceyburghardt3777 2 ปีที่แล้ว

      I make my own. I use plain white sugar and melt coconut oil and add essential oils. Pretty much any oil and sugar work, my first sugar scrub was raw sugar with almond oil.

  • @haifarahman5327
    @haifarahman5327 2 ปีที่แล้ว

    You're so encouraging! This is a great tutorial 🎉

  • @elizabethreems187
    @elizabethreems187 2 ปีที่แล้ว

    LOVE LOVE LOVE this!

  • @shewearsfunnyhat
    @shewearsfunnyhat 2 ปีที่แล้ว

    EO calc is such a great tool. It has usage rates for many different items. I used it to convert a bath salt recipe from number of drops to weight.