Medik8 has several products in their range that contain vitamin C.

Here are some of their popular vitamin C products:

1. C-Tetra: This is a serum that contains 3% tetrahexyldecyl ascorbate, a stable and oil-soluble form of vitamin C. It is designed to help protect the skin from environmental damage, stimulate collagen production, and brighten the complexion.

3. C-Tetra luxe: This is a more potent version of the C-Tetra serum, with 14% tetrahexyldecyl ascorbate. It is designed to provide more intense brightening and anti-aging benefits.

4. Super C Ferulic: This is a serum that contains 30% L-ascorbic acid, as well as ferulic acid and vitamin E, to provide maximum antioxidant protection and brightening benefits. It is designed to help reduce the appearance of fine lines and wrinkles, and improve skin texture and tone.

5. Crystal Retinal 10 + Bakuchiol & Vitamin C: This is a serum that combines 10% stabilized retinaldehyde with bakuchiol and vitamin C to provide anti-aging and brightening benefits. It is designed to help reduce the appearance of fine lines and wrinkles, improve skin tone and texture, and brighten the complexion.

Overall, Medik8 offers a variety of vitamin C products to suit different skin types and concerns, so it's important to choose the one that's right for you.