Is Vitamin C Good for Acne? What Melanated Skin Needs to Know

If you struggle with acne on Melanated skin, you are dealing with two challenges at once. Not only do you have the breakouts themselves to manage, but every spot leaves behind a dark mark that can take months to fade. Vitamin C is one of the most powerful tools available for this concern, but it works best as part of a broader approach.

How Does Vitamin C Help With Acne?

Reduces Post-Acne Dark Marks

Vitamin C inhibits melanin production, directly addressing the pigmentation response triggered by acne inflammation. Used consistently, it visibly fades existing marks and helps prevent new ones from becoming as dark.

Antioxidant Protection

Acne is an inflammatory condition, and inflammation drives hyperpigmentation on Melanated skin. Vitamin C neutralises the oxidative stress associated with inflammation, reducing the intensity of the skin's pigment response to each breakout.

Supports Skin Barrier Function

Vitamin C supports collagen production, helping to maintain a resilient skin barrier that is better able to protect itself from bacteria and environmental triggers that contribute to acne.

The Full Picture: Other Ingredients That Also Help

For Reducing Active Breakouts

• Salicylic Acid (BHA) penetrates into pores to dissolve oil and debris. Found in our Anti Blemish & Acne Astringent and Camphor Clarifying Astringent.
• Niacinamide (Vitamin B3) regulates sebum production, reduces inflammation and minimises pore appearance.
• Azelaic Acid kills acne-causing bacteria and inhibits melanin production, making it valuable for both active acne and post-acne marks.

For Fading Post-Acne Dark Marks

• Alpha-Arbutin and Kojic Acid are the most effective combination for fading post-inflammatory hyperpigmentation on Melanated skin. Our Active Fading Serum combines both for a powerful targeted evening treatment.
• Tranexamic Acid is particularly useful for persistent acne-related pigmentation that does not respond to other treatments.
• Retinol accelerates cell turnover and fades post-acne marks. Use in the evening only, always followed by SPF.

Sun Protection

• SPF50 daily is essential. Every time an acne mark is exposed to UV rays without protection, it darkens further. Our COSRX Aloe Soothing SPF50 is lightweight and leaves no white cast.

How to Use Vitamin C if You Have Acne Prone Skin

1. Cleanse with our Deep Cleansing Gel, whose AHA/BHA formula helps control oil and reduce breakouts
2. Apply Vitamin C Glow Serum to clean, dry skin and allow to absorb
3. Apply a lightweight moisturiser like our FadeBright Moisturiser
4. Apply COSRX SPF50

In the evening, use your Active Fading Serum on dark marks and follow with your moisturiser.

Get a Personalised Routine for Acne Prone Melanated Skin

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You deserve beautiful skin. 💜