It’s hard enough to figure out an anti-aging skincare routine, but all the complex & conflicting information on the internet makes it twice as confusing.
So today I’m doing a deep dive to find out if many of the skincare “rules” you’ve heard are true… and busting Skincare Myths that are based on Your Most Asked Questions!
Links to Studies & Info.:
UVA Radiation: https://www.skincancer.org/prevention/uva-and-uvb
“Niacinamide … is stable in the presence of heat and light.”
“Niacinamide is a stable and water-soluble form of vitamin B3”
Glycolic Acid: page 7: https://www.fda.gov/media/101373/download
Peptides: “research and industry stabilized the peptides by loading them into proteins, and then encapsulated the stabilized peptides into liposomes. The finished product is a stable microemulsion which is ready for formulating.” Source: https://www.bulkactives.com/product/category/peptides
“Ferulic acid stabilizes a solution of vitamins C and E” Source: https://www.ncbi.nlm.nih.gov/pubmed/16185284
“Reducing the acidity of L-ascorbic acid to a pH below 3.5 is an effective method of improving its stability and permeability.” Source: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5605218/
Vitamin C + Niacinamide:
“nicotinic acid—the undesirable by-product of niacinamide and vitamin C—becomes an issue only when the niacinamide and vitamin C are combined in a high-temperature environment for a long time.” Source: https://www.paulaschoice.com/expert-advice/skincare-advice/myths/can-niacinamide-and-vitamin-c-be-used-together.html?fdid=myths
LabMuffin Beauty Science on YouTube: https://www.youtube.com/channel/UCg6P323bLV4zMSWFqFhvWMg
Vitamin C/AHAs + Peptides:
“peptide (AKA amide) bonds which are pretty strong bonds. Typically this requires something like an enzyme … or very harsh conditions such as boiling in concentrated acid for a long time.” https://www.physicsforums.com/threads/will-all-proteins-fall-apart-by-exaggerated-heat.685477/
“AHAs are a group of weak acids typically derived from natural sources. . . .” Source: https://health.ucdavis.edu/publish/news/research/6853
Retin-A Overview/Efficacy/Safety: https://lpi.oregonstate.edu/mic/health-disease/skin-health/vitamin-A#topical-application
Retin-A Skin Thinning:
“Retin A and other retinoids do NOT thin your skin over time. They DO thin slightly the outer dead layer (the stratum corneum)”
Retin-A skin thickening:
“Tretinoin treatment produced a marked increase in the viable epidermal thickness”
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