EFFECTIVENESS
- Are iS CLINICAL products organically certified and are they natural?
- Are powdered sunscreens as effective as traditional sunscreens?
- Can you apply makeup right after using the Active Peel System?
- Does an active ingredient need to represent the majority of a formula 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?
- Is the propylene glycol used in iS Clinical products safe?
- Is there really a difference between iS Clinical products and other brands containing some of the same ingredients?
- What are peel pads?
- What sun screen actives are used in Eclipse SPF50+?
- When do you recommend Brightening Complex and/or Brightening Serum?
- Why did my iS Clinical Vitamin C serum fizz and bubble on opening?
- Why doesn’t Brightening Complex come with sunscreen already included?