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It is not naturally produced in our bodies so we need to get it from our diet. Vitamin C is known to play a role in collagenproduction in the skin. If this ingredient was actually working as claimed, (you know affecting collagen synthesis, anti-acne, reducing UV damage, etc.) Cosmetics are not allowed to do those things.
These factors range from psychological stress to the use of specific cosmeticproducts, dietary habits, and underlying health conditions. Stress triggers the production of androgens and cortisol — hormones that stimulate the sebaceous glands to produce more oil — leading to clogged pores and breakouts. What Causes Adult Acne?
The truth is most cosmeticproducts that you use right now aren’t drastically different than the things that people were using in the 1950’s and 60’s. The study looked at the diets of over 100,000 people over the course of 4 years. It will be looked at for treating things like acne, psoriasis, dermatitis and eczema.
A cosmeceutical is essentially a skincare product that contains a biologically active compound that is thought to have pharmaceutical effects on the skin. Both pharmaceutical and cosmeceutical grade skin care products actively effect skin at a cellular level, whereas cosmeticproducts have a shorter-term effect.
I’ve never been a fan of stem cells in cosmeticproducts because they don’t penetrate well under the skin. The stem cells in skincare products are from apples and other plants and those are not the same as what we need, so those are useless. Diet, including calorie restriction, is among the topics of the research.
According to Fisher’s Contact Dermatitis, acne can result from topical application of cosmeticproducts via two mechanisms. And you have to repeat that process for every product you want to evaluate. Even IF you did all that you still can’t really control for other factors like hormonal changes and changes in diet.
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