Medically reviewed by Marisa Garshick, MD Wet dandruff symptoms may worsen with hormonal changes, stress, or cold, dry weather. Diagnosis involves checking the scalp for flaking, oiliness, and redness ...

Let’s get this out of the way: dandruff is not the result of poor hygiene. Every dermatologist I spoke to confirms this. According to dermatologist Dr. Marisa Garshick, MD, dandruff occurs from a ...

Medically reviewed by Susan Bard, MD Key Takeaways Psoriasis causes thick patches of skin called plaques that are dry and ...