Tuesday, 2 April 2019

[Anti-Aging] Dermatologist criticises long-term retinol use. Any medical opinions?

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I'm summarising this: https://www.businessinsider.com/retinol-risks-according-to-a-doctor-2018-6Mervyn Patterson, a cosmetic doctor at Woodford Medical, says it was once difficult to buy topical retinols without paying high price tags or getting a prescription, and claims the current booming market of vitamin A derivatives is "a mass experimentation of the population".This dermatologist criticises a range of issues people on here would know about (irritation, incorrect sunscreen use, etc), but he makes a point worth discussing:There's another reason to be wary of retinol overuse. Cells generally divide to grow and repair the tissue in your body, but normal cells can only divide a finite number of times (about 50,according to the Hayflick Limit60908-2/fulltext)), which is one of the primary reasons we age. "We don't live forever," he told Business Insider. "So if you plaster way too much retinol on in your 20s, 30s, and 40s, you could be depleting all of those healthy cell divisions that you really should be storing for cell divisions further down your lifetime."What do people on here think about this?He also has one piece of advice:Before you even start thinking about vitamin A, the most important thing is using moisturisers and cleansers formulated to repair your barrier and dampen down inflammation. Specifically, lipid formulations to 'adjust' the surface ratio of skin lipids back to normal. The ideal product would also contain a wide array of proven anti-inflammatories (examples of these are botanical extracts such as date, meadowfoam and safflower) to dampen all pathways of inflammation.Can anyone provide examples of "lipid cleanses/moisturises with meadowfoam and safflower?Maybe comment on how they benefitted from them?
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