The Truth Is:

Retinol shouldn't burn, flake or peel your skin

Irritation occurs when retinol sits on the skin’s surface, rather than absorbing deep into the dermis, where the magic happens

At Private Practice, we do retinol a little differently

We formulate our retinol to be extra gentle on the skin and provide 4 concentration levels specific to your current skin and life stage

Deeper Delivery

We encapsulate our retinol with bioavailable actives to safely and effectively enhance its delivery deep within the skin matrix 

BETTER absorption

Our retinol is pH balanced, or optimized, for increased absorption at the cellular level   


Deeper delivery and better absorption provide superior results without any of the irritation


Our 4 levels deliver the precise concentration of retinol needed to create change for your specific skin stage

Level 1

For Early Age Prevention or Very Sensitive Skin

  • highly customized, entry-level retinol
  • pre-dosed pads
  • maintain skin's collagen and elastin density

Level 2

For mild to moderate wrinkles, uneven texture and fine pores

  • boosted formula to encourage collagen and elastin production
  • niacinamide, avocado and coconut oil enhance its effectiveness deep within the skin matrix

Level 3

For moderate to advanced wrinkles, irregular texture and noticeable pores

  • skin regenerating concentration to stimulate collagen and elastin
  • fatty acids and vitamins A, D and E to boost skin’s barrier to prevent further damage

Level 4

For deep wrinkles, rough texture and significant pores

  • most active level
  • niacinamide and vitamins A, D and F actively repair collagen and elastin and accelerate cell renewal at every layer

DR. KOO Explains the Benefits of Retinol

DR. KOO Explains the Benefits of Retinol

Deeper Delivery

Better Absorption

4 Levels of Concentration

Zero Irritation

Discover Your Level