I’ve been reading about the effects that skin pH has on our skin – mainly what happens when we increase the skin’s pH. Historically skin pH wasn’t seen as a foundational component to skin health, but more recent research seems to be indicating that it, in fact, is. The enzymes kallikrein 5 and 7, β-glucocerebrosidase and […]
— Figure 29-5 from Cosmetic Dermatology: Principles and Practice, 2nd Edition by Leslie Baumann All products with an SPF or UVAPF are tested at the exact same amount, 2 milligrams per each square centimetre of skin (2mg/cm2). If you’re just dusting on your foundation or powder with SPF, to matte the skin or provide minimal coverage, […]
…Do you think the damage could have been caused by computer screen light/HEV light? Or is the aging effect of it minimal compared to UV damage? Great question! The mechanism behind this is believed to be reactive oxygen species (ROS) being created by visible light (400nm to 700nm) and also infrared light (700nm to 1440nm). […]
…I personally reference Skinacea’s UV filters chart and always pick sunscreens with zinc oxide and/or tinosorb. If the Bioderma is too expensive, there are definitely much cheaper Japanese and European sunscreens with great protection out there! Probably same amount of hassle in terms of shipping though Thanks for writing back 🙂 Tinosorb S, M and […]
…your thoughts on the benefits of astaxanthin (taken orally or applied topically) for hyperpigmentation?, which sunscreens do you use (do you use any Canadian brands?), steps non-cosmetic-chemists should take to be more informed, and what your skin care routine is like. Sorry for the barrage! Hi battleofhe-s, thanks again for the questions! I’m going to […]
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