Peptides and Vitamin C: Why You Should Combine Them in Your Skincare Routine

When used together, they work synergistically to combat the signs of aging, dullness, and dark spots. Find out why and how to incorporatepeptides and vitamin C into your skincare routine.

What are peptides and vitamin C in cosmetics?

Peptides

Peptides are molecules that occur naturally in our bodies. Like “little messengers,” they send various signals to skin cells to, for example, tell them to produce more collagen or encourage them to regenerate.

The peptides used in cosmetics are synthesized in laboratories to mimic those produced naturally by the human body. There are several types, each with a specific role:

• "Stimulating" peptides: These are the best known. They help boost the skin’s natural production of collagen, elastin, and other “structural” proteins that are essential for its firmness and elasticity. They are ideal for combating sagging skin.
• "Relaxing" peptides: By relaxing the facial muscles (much like a "Botox-like" effect), they help smooth out facial features and reduce expression lines.
• "Carrier" peptides: They help transport essential minerals (such as copper) to the skin to stimulate repair and accelerate cell regeneration. In this way, they promote healing and improve skin texture.
• The anti-dark spot peptides : They soothe inflammation and regulate melanin production, which helps reduce dark spots.

Vitamin C

Vitamin C is a powerful antioxidant that is essential for the proper functioning of the human body. It is found in many fruits and vegetables (kiwi, citrus fruits, cabbage, etc.).

In cosmetics, vitamin C is generally derived from plant sources and then stabilized so that the skin can fully benefit from its properties. It is particularly effective at protecting skin cells from external aggressors (pollution, UV rays, etc.) and oxidative stress, as well as at fighting dark spots and restoring radiance to the complexion.

Peptides and Vitamin C: The Winning Skincare Combination

On their own, peptides and vitamin C are already highly effective. But together? They amplify their respective benefits tenfold. Thanks to their complementary actions, they actually help:

• To prevent all signs of skin aging while correcting those that are already visible.
• To smooth out facial lines and reduce the appearance of wrinkles and fine lines.
• To strengthen the skin's structure and improve its texture and elasticity.
• To support cell regeneration.
• To restore the skin's natural radiance and even out the complexion.
• To reduce hyperpigmentation and post-inflammatory marks (such as those caused by a pimple, a cut, or a burn).
  

The result: visibly younger, more radiant skin, as well as a more even complexion without any dark spots.

Furthermore, while some active anti-aging and anti-dark spot ingredients have a high potential for irritation and are photosensitizing (such as retinol), peptides and vitamin C have the advantage of generally being very well tolerated and not increasing the skin’s sensitivity to the sun. That is why the daily use of a cream or serum containing peptides and vitamin C is recommended, particularly as part of a daytime skincare routine.

Example of a Skincare Routine with Peptides and Vitamin C

Here is an example of a 4-step skincare routine —suitable for both day and night—that combines peptides and vitamin C:

1. Cleanse your skin with the Vitamin C Cleansing Foam : it effectively removes impurities while revitalizing and brightening the skin.

2. Apply:

• The Serum Power 4 Dark Spot Corrector Serum : highly concentrated in anti-dark spot peptides, it helps reduce excessive melanin production to fade hyperpigmented areas and even out the complexion;
• and/or the Anti-Wrinkle Firming serum which combines peptides and vitamin C to firm the skin, smooth wrinkles, and boost the complexion’s radiance.

3. If needed, follow up with the Anti-Dark Spot Concentrate : formulated with encapsulated vitamin C, among other ingredients, this treatment should be applied directly to the most stubborn dark spots to correct them.

4. Moisturize with the Replumping & Unifying Care : this rich cream, packed with active ingredients, contains youth-boosting peptides to help regenerate your skin, leaving it plumper, more even-toned, and radiant.

In short: Combining peptides and vitamin C is the key to radiant skin

Combining peptides and vitamin C provides your skin with a comprehensive solution to various concerns: aging and sagging skin, hyperpigmentation, and a lack of radiance… It’s the ideal combination for anyone who wants to achieve visible, long-lasting results by combining effectiveness, sensory appeal, and natural ingredients.