What Causes Milia and How to Remove Them Safely

Milia are caused by dead skin cells becoming trapped beneath the surface of the skin, forming small, hard white or yellowish bumps that refuse to pop like…
Why Certain Hair Products Cause Forehead Pimples

Certain hair products cause forehead pimples because oily, waxy, and silicone-based ingredients migrate from your hair onto your skin, where they settle…
What Causes Acne from Sunscreen

Sunscreen causes acne primarily through pore-clogging ingredients like oils, silicones, and chemical UV filters that create a film over the skin, trapping…
What Is Acne Cosmetica and Which Products Cause It

Acne cosmetica is a specific form of acne triggered by cosmetic and skincare products that clog pores, resulting in small, persistent bumps — typically…
What Causes Acne After Switching Birth Control Pills

Switching birth control pills causes acne primarily through androgen rebound — when you move away from a combination pill containing estrogen, your…
Why Stopping Birth Control Causes an Acne Flare

Stopping birth control causes an acne flare because your body experiences a sudden surge of androgens — male sex hormones like testosterone and DHT —…
Why Insulin Resistance Causes Acne

Insulin resistance causes acne by triggering a hormonal cascade that increases sebum production, accelerates skin cell turnover, and promotes chronic…
What Causes Acne in People With PCOS

Acne in people with polycystic ovary syndrome stems primarily from excess androgens — male hormones like testosterone and DHEA-S that are produced at…
What Causes Acne in Women Going Through Perimenopause

Perimenopausal acne in women is primarily caused by shifting hormone levels — specifically, declining estrogen paired with relatively stable or even…
What Causes Acne After Flying on a Plane

Flying on a plane causes acne primarily because of the extremely low humidity inside aircraft cabins, which typically hovers around 10 to 20 percent — far…