By Age (Teens-50+)
The 50s skin shift: when your routine has to undo thirty years of habits
A woman I know turned 52 last spring and her face stopped recognising her routine. The same vitamin C serum she had…
Tag
#Skin
Articles tagged #Skin
Common Myths
Nighttime skin repair is real but not how Instagram explains it
A friend sent me a wellness reel last month claiming that the skin “regenerates between 11 PM and 4 AM” and that…
Skin Types
Fitzpatrick was a sun-burn scale, not a skin-type taxonomy: what to use instead
I had a conversation last spring with a dermatology resident who told me, with conviction, that she had a “Fitzpatrick III skin…
Skin Barrier & pH
Trans-epidermal water loss: the metric your skin shows you before any product can claim a result
A reader sent me a photo of her cheek next to a moisturiser bottle and asked whether she should switch brands. Her…
Mental Health
Skin-Picking Disorder Is on the Rise: What Dermatologists Are Now Screening For
TL;DR: Excoriation disorder entered the DSM-5 in 2013, and dermatology referrals citing it have climbed every year since. Lifetime prevalence sits at…
Common Myths
Drinking 8 Glasses of Water Does Almost Nothing for Your Skin: The Hydration Myth Explained
TL;DR: The eight-glasses-a-day rule has no clinical origin; the standard tracing is to a 1945 NRC recommendation that was misquoted for sixty…
Hyperpigmentation
The PIH-to-PIE fade timeline by skin tone, and why your derm’s 8-week estimate is wrong
TL;DR: PIH and PIE are different lesions on different timelines. PIE (red, vascular) fades in 3 to 24 months. PIH (brown, melanin)…
Skin Anatomy & Biology
The 24-hour skin clock: when collagen synthesis peaks and when TEWL spikes
TL;DR: The skin runs on a 24-hour clock. Cell proliferation peaks at midnight to 4am. Sebum output peaks at noon. TEWL spikes…
Skin Types
The Combination Skin Diagnosis Is Doing Damage
TL;DR: Almost everyone has slightly higher sebum on the central face than on the cheeks. The marketing category called combination skin treats…
By Life Stage
The skin shifts of the postpartum year nobody warned me about
TL;DR: Postpartum skin is not pregnancy skin in reverse. The estrogen drop, the prolactin spike, the four-month sleep deficit, and the breastfeeding…