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PETROLATUM AS AN OCCLUSIVE
Hello all! I have been trying to formulate a moisturizer for Normal/combination skin and I know petrolatum is the gold standard when it comes to controlling trans epidermal water loss but I also know it can cause closed comedones for oily-acne prone skin. However I have a very limited data when it comes to combination skin type.
My formulation consists:
5-10% Humectants
2-3% CCTG
But I am unable to choose between Dimethicone and Petrolatum for occlusives and if petrolatum can be used what could be the ideal percentage.
I would appreciate some help here.
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15 Replies
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As an owner of oily skin type I can say ANY occlusion may cause increased number of pimples. So you should not worry about that, usually natural oils and butter are more acne-prone than synthetic inert materials.
When it comes to Dimethicone and Petrolatum I would vote for the latter. Dimethicone leaves a noticeable film and it can peel. Many people with oily skin type don’t like silicone feeling on the skin (personal observation).
In terms of marketing both ingredients are demonized on the Internet, no win if you use one or another.
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The problem with petrolatum is it makes your skin darker. I don’t think it causes acne.
I have some acne but not where i apply petrolatum.
Start from 5-10% and see what you like the most.
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Makes your skin darker? I had never heard the petrolatum had any impact on melanin production. Is that what you mean or something else?
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Yes. Specially if you are in sun for some time during the day and apply it to face 1 or 2 time a day compared to applying nothing.
I am making a moisturizer with petrolatum as occlusive ingredient and 90% of users have noticed this effect on face.
My product has petrolatum, mineral oil and glycerin
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My full ingredients
Glycerin, petrolatum, mineral oil, cetearyl alcohol, GMS, SLS, xanthan gum, acacia gum, EDTA, preservatives, citric acid, fragrance and water.
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You could make millions….selling that in the US. ????
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How so? ????????
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Here’s the perfect cosmetic moisturizer … the only one you will ever need, but no one would ever buy: Water, Glycerin, Petrolatum, Mineral Oil, Glyceryl Stearate SE, Cetyl Alcohol, EDTA, Methylparaben, Ethylparaben, Propylparaben, Butylparaben
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Why cetyl alcohol and not cetearyl alcohol?
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In my country white Patrolatum & Mineral oil base musturizers are Hot cake in winter. - similar as you @MarkBroussard mentioned.
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While I can understand that if people are in the sun that their skin turns darker, I don’t think petrolatum has anything to do with it. At least there is no biochemical explanation for why that would happen with petrolatum vs mineral oil or any other oil for that matter.
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I don’t know about its biochemical explanation too but for use using it makes skin darker under the sun compared to applying nothing. Although applying nothing will make your skin burn faster.
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https://twitter.com/hadacli/status/1312347311838695424
https://www.youtube.com/watch?v=P2gALxN-pkk
White petrolatum will turn darker in sunlight. Its not as stable as it was believed.
ワセリンは、白色ワセリン、プロペト、サンホワイトの順で精製度が高くなることをツイートしましたが、日光暴露5時間後の写真がこちらです。
サンホワイト以外は、露光30分で肉眼でもわかるレベルで徐々に黄色を呈します。
プロペトでも黄色になるのに対し、サンホワイトはほとんど変わりません。 pic.twitter.com/toLFo950md
— 岩橋陽介@肌クリ (@hadacli) October 3, 2020
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Interesting. It must be related to the method of purifying the petrolatum in production.
However, this says nothing about whether petrolatum changes skin color. I haven’t seen direct evidence that it does.
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Have you looked at: Isostearyl isostearate?
According to Mr Deckner…it is pure magic. ????
Have your cake…and eat it too?
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