If they have persistent acne, rashes, or unusual skin changes, consult a dermatologist. Otherwise, a simple routine is adequate.
Poor sleep increases stress hormones that break down collagen. Tweens need 9-12 hours of sleep nightly for overall health, including skin.
Cleanse brush heads with a gentle soap or specialized cleanser after every use to remove product residue, oil, and bacteria. A dirty brush can spread bacteria on the skin, leading to breakouts and inflammation.
The focus shifts from primarily prevention to active repair and rejuvenation. Your routine should now intensely target collagen loss, deep hydration, and supporting the skin's slowed natural renewal process.