Vitamin C is one of the best-known ingredients in facial skincare and can be part of a routine focused on radiance. However, it does not always appear in the same form: different vitamin C derivatives are used in cosmetics, and every formula combines ingredients differently.
In this guide, Quassar Cosmetics explains how to add a serum with a vitamin C derivative to your skincare routine and what to consider when choosing one.
What does vitamin C mean in skincare?
When we talk about vitamin C in cosmetics, it is important to look at the INCI rather than assume every formula contains exactly the same ingredient. In addition to ascorbic acid, cosmetic formulations can use vitamin C derivatives.
When choosing a serum, consider the complete formula and how it fits your routine instead of focusing only on the ingredient name.
Bright Source: a serum with a vitamin C derivative
Bright Source Serum by Quassar Cosmetics is formulated with Ascorbyl Tetraisopalmitate, a vitamin C derivative. Its formula also includes inositol, glycerin, camellia oil and fermented ingredients.
It is designed for people who want to add a vitamin C derivative to a facial ritual focused on radiance care.
How do you add a vitamin C serum to your skincare routine?
As a general guide, facial serum is applied after cleansing and before cream. Always follow the product directions and adapt frequency to your skin's response.
When introducing a new product, adding it gradually can make it easier to observe how your skin responds without changing too many steps at once.
Vitamin C or hyaluronic acid?
The choice depends on your priority. For a routine especially focused on hydration and comfort, discover Serene Boost Serum and our guide to adding hyaluronic acid to your skincare routine.
If you want a radiance-focused ritual that includes a vitamin C derivative, Bright Source is an option to consider.
Which facial serum should you choose?
There is no single serum that suits every skin type. Think about what you want to prioritize and avoid adding too many new products at once.
You can also read our guide on choosing the right facial serum for your skin or explore the Quassar Cosmetics facial serum collection.