Focus on a consistent core of sunscreen and antioxidants, but switch the texture of your moisturizer—lighter in humidity, richer in dryness—to meet your skin’s immediate needs.
Avoid combining retinol with benzoyl peroxide, vitamin C, or AHAs/BHAs in the same routine, as this can cause dryness and irritation. Use them on alternate days or times (e.g., vitamin C in AM, retinol in PM).
Yes, reapply every two hours if you are outdoors, sweating, or near windows. For daily indoor wear, one application in the morning is generally sufficient.
Antioxidants (like Vitamins C and E, ferulic acid, resveratrol) neutralize free radicals, which are unstable molecules that break down collagen and lead to premature aging.