For those of us who want the best, strongest and most effective ingredients, retinol is an absolute must. And while you can go to a dermatologist and get a prescription-strength retinol like tretinoin ...

Switching up my evening routine, I chose to use Medik8's Crystal Retinal 3 instead of my daytime serum. This vitamin A night serum, containing 0.03% retinal, is especially suited for beginners.

This is an ideal chance to experiment with Medik8's Crystal Retinal serum, a high-potency retinal concoction revered for its skin-smoothing, brightening, clarifying, and firming properties.