16 years old with parental guidance.

No, it’s a Cosmeceutical which means they will penetrate the deeper layers of the skin to stimulate the skin’s natural processes.

Opened is 1 year unless otherwise stated on the packaging, unopened is 2-3 years.

The allergy and pregnancy safe lists are in the Core Day 2 and Chemical peel workbooks for your reference.

Please see the contraindication list and precaution lists.

Yes, absolutely!

Retinol should be used in Autumn and Spring only, not in harsh weather.  Retinol can be used 3 nights a week, and you should have a 3 month break from Retinol.

No, it might be that they are not using the correct products for their skin so they need to ask a DermaQuest specialist for guidance.

Yes, it should be used everyday regardless of whether it is sunny or not.

A coin size amount should be applied, as long as it is warmed in the fingertips before applying there shouldn’t be a white cast as the zinc has been micronized meaning it is softer on the skin.

Retinol cannot be used for 2 weeks either side of the treatment. It’s best not to use a retinol product while a course of treatments is being performed.

NO

No, this will cause irritation as the skin on the eyelids is very sensitive.

Depending on the product and concern, results will start to be seen from 2-4 weeks.