Skincare products recommended on TikTok

I recently complained that skincare products don't list their dosages. Several of you responded with companies which do list dosages. Here is a table comparing them.

If you just want me to tell you what to do


Here are the products I bought. They are basically the cheapest set of products which has closed the recommended dosages of the four best tested ingredients.

The affiliate links give me a 1% commission. I of course appreciate you using them, but I also provide non-affiliate links, and the recommendation isn't based on affiliate fees.



Full table

The articles cited below list 4 ingredients as having been well studied, some others as seeming promising, and one that I included despite being speculative. Data comes from manufacturer's website. If the manufacturer made multiple products with a given active ingredient, I chose the one closest to the common dose.

I do not believe that any of these products have had their concentration certified, and presumably some of them are substantially misrepresenting their products, similar to nutritional supplements. If you know of a product which does have independent certification, please let me know about it.

IngredientCommon dose in peer-reviewed literatureQuote from review articleInkey ListGood MoleculesPaula's choiceStratiaThe OrdinaryGhost DemocracyNotes
Well studied ingredients
Retinol0.5-2%Topical retinoid treatment is still the primary reference standard for clinically effective topical antiaging products.1%none1%0.15%1%none
Alpha-hydroxyl acids5-12%Extensive clinical studies have proven alpha hydroxyl acids to be an effective anti-aging compound.10%10%25%10%30%6%
Vitamin C3-10%Vitamin C is one of the most well-studied vitamins in anti-aging and has been proven effective in multiple studies30%100%15%15%8%18%
Pentapeptides/Matrixyl1.5-3%There appears to be an overwhelming body of evidence that pal-KTTS is effective in decreasing facial wrinkles and roughness.unknownnonenonenone10%none
Matrixyl is 100 ppm pal-KTTS
Moderately studied ingredients
Niacinimide5%There has been minimal investigation of the B vitamins as anti-aging ingredients, but a few studies have been encouraging.10%10%10%5%10%1%
Astaxanthin5%nonenoneunknownnonenonenone
Speculative ingredients
DMAE3%nonenonenone2.50%nonenone



Products and quotes come from the following articles:
  • McCook, John P. "Topical products for the aging face." Clinics in plastic surgery 43.3 (2016): 597-604.

  • Catherine K. Huang, MD, Timothy A. Miller, MD, The Truth About Over-the-Counter Topical Anti-Aging Products: A Comperhensive Review, Aesthetic Surgery Journal, Volume 27, Issue 4, July 2007, Pages 402–412, https://doi.org/10.1016/j.asj.2007.05.005

Previously recommended products

These other products are used on half my face for seven months in this trial. They obviously worked for me so I have some endorsement for them, but they aren't very upfront about their dosage, which makes me less enthusiastic.
(Affiliate links, but I didn't get any payment etc. from these companies.)

Comments

  1. I love skincare, I wish more reviews were like this!

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