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Module 04: Retinoid
In this module you will learn What retinoid is The benefits of retinoid on the skin The use of retinoid in serum The application and benefits of retinoid-soaked pads The application and benefits of gel eye masks Retinoid – 06m 07s 4.1 Introduction In Module 4 we look at retinoid as a specific ingredient you’ll find in various skincare products. Retinoid is a fantastically nourishing ingredient, so here we break down why that is, and in which of your own ...