In keeping with Dr. Andrea Suarez, there are numerous forms of hair loss, however the research carried out on the anti-aging ingredient tretinoin and its relation to thinning hair have primarily targeted on androgenetic alopecia. Suarez additional identified the restricted scale of those research, with lots of them being small and one even involving gerbils as an alternative of human topics.
A 2019 examine on androgenetic alopecia revealed in Dermatologic Remedy indicated that the best strategy for hair regrowth would possibly contain the mixed use of tretinoin and minoxidil. Minoxidil is a standard ingredient utilized in therapies for sure forms of baldness, corresponding to androgenic alopecia. As trichologist Helen Reavey defined to Refinery29, “If you do not have androgenic alopecia, minoxidil has no goal.” Finally, hair thinning could be brought on by quite a few components, and what works for one particular person could not work for everybody.
Moreover, when you have used retinol for skincare to deal with pimples or anti-aging issues, you might remember that it could actually trigger irritation and sensitivity, significantly at first of your routine. Tretinoin, which might result in unwanted side effects like burning, peeling, redness, pores and skin irritation, and dryness, ought to solely be used underneath the steering of a health care provider (per Mayo Clinic). Suarez additionally talked about that minoxidil can irritate the pores and skin. Subsequently, combining tretinoin and minoxidil in your hairline to stop thinning could end in elevated irritation and will even trigger irritant contact dermatitis.