For those of us who want the best, strongest and most effective ingredients, retinol is an absolute must. And while you can ...

Medik8 is always my answer. My first foray into the world of Medik8 started with the Crystal Retinal serum – a potent retinaldehyde serum that, in only a matter of weeks, made my skin look like ...

Rajani MD Retinol A Serum. I’ll admit I was a bit skeptical of this product at first because it blends three different types of retinol — retinaldehyde, retinol and retinyl palmitate.

Encapsulated retinaldehyde, the most effective form of anti-ager vitamin ... petroleum mineral oils and harsh preservatives. “Absolutely love this serum. I apply it morning and night time and have ...

The night serum is formulated with 0.24% retinaldehyde which is clinically proven to act 11x faster than standard retinol to visibly smooth, brighten and firm skin. The result? The most powerful ...