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  1. #1

    Default Percentages and dilution

    Hello, have been reading over forums for a few weeks getting some insight into producing perfumery...
    Im just stuck at maths equations really... so if I had 2ML of oils if I wanted to do a 40/60 mix so 40 percent oil 60 percent perfumery
    Or even a 30/60 how much perfumers alcohol would I add to Match these percentages? Also how can I dilute 5 ML into a 10% dilution how would I work that out? Thank you for any help

  2. #2

    Default Re: Percentages and dilution

    Always use weight when working out solutions. I personally started with a fairly cheap (roughly $20) 2 decimal point scales to weigh my materials. For example if the total weight of essential oils/perfume ingredients + alcohol is 10g, then to make it at 40% dilution use 4g of perfume material and 6g of alcohol.

  3. #3

    Default Re: Percentages and dilution

    Hello, thanks for feedback so would I just use this forsay... wanted to make 30ML I’d just times that by 5? And if I wanted a 30/70 would it be 3G oils and 7g alcohol

  4. #4

    Default Re: Percentages and dilution

    Quote Originally Posted by Nathangee2103 View Post
    Hello, thanks for feedback so would I just use this forsay... wanted to make 30ML I’d just times that by 5? And if I wanted a 30/70 would it be 3G oils and 7g alcohol
    Whichever dilution ratio you want to use just times the amount of oils by weight to the amount of alcohol, so for example:
    1g oil + 99g alcohol = 1% dilution
    1g oil + 19g alcohol = 5% dilution
    1g oil + 9g alcohol = 10% dilution
    1g oil + 4g alcohol = 20% dilution
    1g oil + 3g alcohol = 25% dilution
    1g oil + 1g alcohol = 50% dilution

  5. #5

    Default Re: Percentages and dilution

    The problem is that the density of your materials is usually never 1g/cm and alcohol has a density of 0.789g/cm. Therefore in this case measuring out 21ml (ie 70% of the total volume of the mixture)of alcohol will not equate to 20g but will be less. Also with your perfume materials measuring out 9ml will very likely not equate to 9g. Therefore your dilution will not be 30%.

    At first I worked with drops and to be perfectly honest I was fearful of working with weight thinking it would be difficult. But it's really not.

    I personally always dilute my perfumes to 18%. I multiply the weight of my perfume materials by 5.55 (this is worked out as follows, 100/18) to work out the total weight of alcohol + perfumery materials. You can substitute your required % concentration to work out what you need to multiply it by to work out the total weight.

  6. #6
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    Default Re: Percentages and dilution

    All Professional Perfumery is done by weight.
    Paul Kiler
    PK Perfumes
    http://www.PKPERFUMES.com
    In addition to Our own PK line, we make Custom Bespoke Perfumes, perfumes for Entrepreneurs needing scents for perfumes or products, Custom Wedding Perfumes, and even Special Event Perfumes.

  7. #7

    Default Re: Percentages and dilution

    Thank you for your feedback, also iv seen a mixture of things that’s getting me confused, so when you dilute something to 10% people use this due to being cost effective than using the pure stuff... then iv seen that when you mix it to 10% it’s at a EDT concentrate.. if you liked something you had made with oils mixed at 10% how would you go about using a higher percentage oil to achieve the same perfume you liked? But in a stronger format.. as in guessing that using a higher percentage would make it more powerful....
    Also I have purchased a couple of things from Pell wall, I purchased 10% oud maleki Olibanum Oleoresin. Ambrinol 95 10% Allyl hexanoate
    Also he sent me a rose accord and a guardawood oil, from having a read around on here and seeing what people suggest I’m looking at buying some stuff off perfumersworld.. which would consist of a musk, patchouli, oak moss, iso-e, sandalwood bergamot, geranium, citrol and cashmere musk... I love my oud, deep filthy smells, interlude man, dior ouds collection, acqua Di Parma oud etc... I’m looking to make a fresh/woody/our combo then a rose,wood combination and a geek Irish tweed feel, can anyone lead me in this with what I have + looking at?

  8. #8

    Default Re: Percentages and dilution

    Ambrinol 95 is pretty powerful and oud maleki is extremely potent. Even at 10%, I consider them way too powerful to be used in the scale of perfume making of a beginner or intermediate in my opinion. I would personally dilute them to 1 or 0.1% as you can very easily overdose on both and they can take over your composition.

  9. #9

    Default Re: Percentages and dilution

    Thank you, will take them to 1 percent... I can completely agree with you in this... I know we hate drops over weight here but at the time I didn’t know... I was informed on a video to do 24 drops... like one of each, have a smell and build it up to 24 drops total... I used 2 drops of the ambronol 95 and it completely over powered it all, with a ‘ shit ‘ smell from the oud or as others commented cow pat, also have allyl hexonate.. what would you recommend for next purchases

  10. #10

    Default Re: Percentages and dilution

    Also if I make 1 percent of this stuff will i need to let it sit for awhile? Will the alcohol overpower it at first or good to go

  11. #11

    Default Re: Percentages and dilution

    It really depends. The way I used to buy materials at the beginning was I bought the obvious ones - PEA, orange terpenes, linalool, hedione, iso e super, ambroxan, the main musks, cis 3 hexenol, etc. In addition I would explore one particular aroma that interested me. For example id explore grapefruit materials and purchase a few and use them in blends to understand them better.

    I would recommend buying essential oils. I purchased mine from naissance uk. I think they're more aromatherapy specialists rather than perfumery, their oils did the job however. They're reasonably priced especially if you get a discount code. I never used them in blends - I only used them to understand the materials better.

    I worked with drops too for a long while. You can use drops but it's best to also get a pair of scales as soon as possible. For example I didnt realise that one drop of habanolide weighs roughly double 1 drop of linalool from the same pipette. When I'd write formulas in drops I would be assuming they both weighed roughly the same which is of course not the case.

    Regarding your last question, I always use dilutions of materials immediately in blends and I've had no issues with it. If you're diluting to smell the material then I'd wait a couple of weeks at least.




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