Skin
Perioral dermatitis: triggers, myths, and how to calm it
Perioral dermatitis mimics acne but needs different care. Learn its triggers, remedies to avoid, and the skin reset that helps it heal.
Laser or skincare: what red, brown, and texture need
Every laser targets red, brown, or water. Dermatologist Shereene Idriss explains which skincare can replace a laser package and where it truly cannot.
Azelaic acid: the three types and how to use it with retinol
There are three forms of azelaic acid: free, ionized and the derivative. Here is how they differ and how to layer it with tretinoin without irritating skin.
The real reason skin aging starts inside your cells
Skin aging isn't just about creams. Blood sugar, autophagy, and the muscle you build shape how your skin ages.
Facelift myths: what truly changes in your face with age
A cosmetic dermatologist explains why a facelift will not fix everything, and what to do in your 30s, 40s and 50s instead.
Six skin and hair signs that may signal health issues
A dermatologist breaks down six skin, hair and nail clues that can point to underlying health conditions, from acne to dark velvety patches.
5 underrated skincare ingredients worth trying now
A NYC dermatologist breaks down 5 slept-on skincare ingredients and how to match them to your skin type.
What causes under eye hollows and how to treat them
A board certified dermatologist explains why under eye hollows form, how to tell shadows from structure, and which skincare and in office treatments help.
Excessive sweating: causes, symptoms and treatments
Excessive sweating or hyperhidrosis can affect your social and mental health. Learn about its causes, types, and the best treatment options available.
Glutathione in skincare: how it really works
Glutathione is your skin's master antioxidant. Learn how it neutralizes free radicals, inhibits melanin, and brightens skin from within.
How weight loss ages your face and how to prevent it
Dermatologist Sherin Idris explains why losing weight accelerates facial aging, how Ozempic intensifies the effect, and five habits to protect your appearance.
What your nails say about your health and how to fix them
Learn to read the health signals hidden in your nails and discover how to strengthen them with evidence-based daily habits from a dermatologist.
Sun damage and dark spots: ingredients that actually work
Sun damage causes hyperpigmentation through well-understood mechanisms. Here are the active ingredients with the strongest clinical evidence for reversing dark spots.
Skin aging in your 20s: myths and real solutions
Dermatologist Shereene Idriss debunks collagen banking and preventative Botox, and explains which skincare interventions have real scientific support.
The 5 most common body skin care mistakes to avoid
Learn how to avoid the most common body skin care mistakes: improper laser use, over-exfoliation, body acne triggers, towel hygiene, and sunscreen strategy.