Primary fat-soluble antioxidant in our skin Significant photoprotection against UVB rays Vit C + Vit E work in synergy and provide great photoprotection Has emollient properties Easy to formulate, stable and relatively inexpensive Retinol (pure Vitamin A) is probably the most proven anti-aging ingredient available OTC It has to be converted in the skin to retinoic acid to work its magic Once converted, it has the same effect as all-trans-retinoic acid, aka tretinoin A generally accepted ballpark number is that retinol is 10-to-20 times less potent than retinoic acid It makes skin less wrinkled, smoother, firmer and tighter It might also be helpful for acne prone skin as it normalizes keratinization and makes the pores produce less sebum Possible side effects and irritation are also much less than with retinoic acid Do not use whilst pregnant We don't have description for this ingredient yet

Protecting the Barrier: Vitamin C supports the skin and mucosal barriers, making it harder for pathogens to enter the bloodstream
The selenium field, as a branch of nutritional biochemistry, began with the 1957 paper
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Daily moisturizers help maintain your skin barrier and hold onto the results, while broad-spectrum sunscreen protects against UV rays and pollution that would otherwise reverse your progress
Additionally, skin whitening using a melanin index also significantly improved at 4, 8, or 12 weeks of treatment