pH Optimum Retinol Collection



What is Does

Lessens the appearance of wrinkles, improves texture, firms skin, and shrinks pores

Formulated For

Visible damaged skin showing moderate to deep wrinkles or creases, noticeable crow’s feet, 11’s between brows, forehead wrinkles, visible pores


Consistent nightly use of my pH-Optimum Retinol Complex intercepts aging signs and minimizes the appearance of lines and creases, helps shrink pores and improve skin texture and tone.  Retinol results without redness, roughness, flakiness and irritation

Ok. You’re now ready for even more advanced Levels of Retinol with an increased concentration at 5000 IUs! This Level of Retinol is complemented by the actives that actually deliver optimal efficacy for skin repair to diminish wrinkles and smooth texture and pores. Let’s slow your aging curve.

-Dr. Koo

My Prescription For You

Apply PM ONLY after Daily Anti-Toxin Cleanse. Follow with your Anti-Oxidant Vitamin Serum and Essential Hydration to complete your support team.

Always apply sunscreen of SPF of 15 or higher daily to prevent sun sensitivity.

The Breakthrough

  • My Level 3 Proprietary Retinol Treatment Blend advances skin repair and regeneration 
  • An infusion of EFAs (Essential Fatty Acids) and Vitamins A, D, and E enhances superficial and skin’s deeper functional barrier health to reduce roughness and redness
  • Decreases the appearance of pores and creases. 
  • Improves skin firmness, tone and texture
Full Ingredient List:

Purified Water, Niacinamide, Squalane, Glycerin, Glyceryl Stearate, PEG-100 Stearate, Cetyl Alcohol, Sclerocarya Birrea Seed Oil, Caprylic/Capric Triglyceride,  Hexylresorcinol,  Retinol, Ceramide NP, Sodium Hyaluronate, Phytosterols, Aloe Barbadensis Leaf Extract, Dimethicone, Cocos Nucifera (Coconut) Oil, Tocopheryl Acetate, Persea Gratissima (Avocado) Oil, Ethyl Linoleate, Mica, Olea Europaea (Olive) Fruit Oil, Cetearyl Alcohol, Disodium EDTA, Phenoxyethanol, Sodium Polyacrylate, Polysorbate 20, Ethylhexylglycerin, and Stearic Acid


In my Private Practice Skincare, I have designed step-wise concentrations and ingredient differentiation that are your stepladder to success. The right products in the right concentrations at the right time in the right sequence. As your skin progresses and you see the improvement you desire, stay at your Level. If you need more improvement, move up to the next level. Save the higher levels when you need more change, always keep a little secret stash for future needs. If you need it though, level up!

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