When it comes to skincare, good things take time. We’re all guilty of impatiently waiting to see the benefits of adding a step to our nightly skincare routines, no matter if it’s using a new vitamin C ...

Use vitamin C in the morning and retinol at night to avoid skin irritation. Vitamin C protects against photodamage and should ...

Prescription retinoids, like tretinoin, are topical vitamin A-based products used to reduce acne, unclog pores, and treat fine lines. Many skincare enthusiasts use retinol, a weaker over-the-counter ...

An expert-approved guide to a multitasking cosmetic with a wide range of benefits — from clearing congested pores to reducing the appearance of wrinkles. By Kari Molvar Retinol is one of the most ...

A quick rundown on ideal retinol application frequency. Medically reviewed by Hadley King, MD Start slow: Apply retinol once a week initially to minimize irritation, gradually increasing frequency as ...