EFFICACY
- Are iS CLINICAL products organically certified and are they natural?
 - Are iS Clinical’s exosomes derived from human stem cells?
 - Are there storage or handling guidelines to preserve Extra Strength Active Peel Brightening System’s efficacy?
 - Can Retinol+ Emulsion be worn in the daytime?
 - Does the Vitamin C in Pro-Heal Serum Advance+ oxidize too quickly to be effective?
 - Explain the iS Clinical manufacturing protocols in detail.
 - Extreme Protect SPF 40 includes 15.3% of zinc oxide but Extreme Protect SPF 30 and Eclipse SPF 50+ contain a lower percentage than this. How does the concentration of zinc oxide affect its effectiveness and the sun protection it conveys?
 - For whom are Retinol+ Emulsions recommended?
 - How can I tell if my Retinol+ Emulsion is chemically damaged?
 - How can the Advance+ Vitamin C be time-released within the skin cell?
 - How do I know the ingredients within iS Clinical products are being absorbed into my skin?
 - How does Super Serum Advance+ improve stretch marks in particular? Is it the increased synthesis of healthy collagen that improves/fades their appearance the same way it does for other wounds/scars?
 - How is iS Clinical’s approach to exosomes different from other brands?
 - How should iS Clinical products be stored at home?
 - I have been told that all Vitamin C products must have a pH below 3.5 to penetrate into the skin. Do the iS Clinical Vitamin C Advance+ products follow this rule?
 - I usually get side effects with products that contain retinol so I do not understand why I do not experience irritation and flaking with Pro-Heal Serum Advance+.
 - I usually get side effects with products that contain retinol, so I do not understand why I do not experience irritation and flaking with Pro-Heal Serum Advance+?
 - Is there really a difference between iS Clinical products and other brands containing some of the same ingredients?
 - My child has acne. Can he/she use iS Clinical products?
 - What are Extremozymes?
 - What are the small floating particles or color variations from bottle to bottle that I see in my bottle of GeneXC Serum?
 - What ingredients in the Advance+ formulas give a yellow color?
 - What is the source of Vitamin A (Retinol) in iS Clinical products?
 - Why did my iS Clinical Vitamin C serum fizz and bubble on opening?
 - Your products contain ingredients that sound like chemicals. Aren’t chemicals harmful?