astaxanthin vs glutathione which is better Glutathione: A Antioxidant? Which is Better for Skin:

These include: Pregnant or breastfeeding women Individuals with severe kidney disease People with asthma or severe allergies Patients taking certain medications that may interact with antioxidants Consulting a doctor before starting treatment is always recommended

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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

Siepka et al., 2007