La Roche‑Posay Redermic Vitamin C10 Serum 30 ml
A dermatologist-tested, water-light serum combining 10% pure L-ascorbic acid (Vitamin C) with salicylic acid, tocopherol, adenosine, hyaluronic acid, and a soothing peptide (Acetyl dipeptide‑1 cetyl ester). It targets dullness, uneven tone, early aging signs, and enhances skin firmness.

“What is Redermic Vitamin C10 Serum?”

Redermic Vitamin C10 Serum is a brightening antioxidant serum with 10% vitamin C, salicylic acid, and adenosine that reduces fine lines, firms skin, and revives radiance in sensitive-combination skin within 8 weeks.

Active & Key Ingredients
Ingredient Role
L‑Ascorbic Acid (Vitamin C) 10% Antioxidant, brightening, collagen booster
Salicylic Acid (~0.1%) Mild exfoliant, decongests pores
Tocopherol (Vitamin E) Antioxidant stabilizer
Adenosine Smoothens expression lines
Acetyl Dipeptide‑1 Cetyl Ester Soothes irritation
Sodium Hyaluronate & Hydrolyzed HA Moisturizing humectants
Alcohol Denat, fragrance Solvents and possible mild irritants

Mode of Action
Brightening & Antioxidant Defense: 10% vitamin C reduces pigmentation, boosts collagen, and neutralizes free radicals.

Pore-clearing & Texture Refinement: Salicylic acid cleans pores and smooths skin.

Firming & Line Reduction: Adenosine relaxes expression lines.

Barrier Support: Antioxidants and humectants hydrate and soothe, minimizing irritation.

Uses & Indications
Brightening dull, uneven tone

Reducing fine lines and boosting firmness

Improving texture and pores

Suitable for sensitive-, combination-, and aging-prone skin

Dosage & Administration
Apply 2–4 drops in AM and/or PM after cleansing

Use SPF 30+ in the day when using vitamin C

Store in a sealed opaque bottle to preserve stability

Visible results: 8 weeks for texture; fine lines improved with consistent use
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Safety & Side Effects
Dermatologist-tested on sensitive skin

Initial tingling or redness may occur—normal due to exfoliation

Contains alcohol and fragrance, may be sensitizing for very reactive skin

Cease use if irritation persists longer than a few days

Warnings & Cautions
For external use only

Avoid direct contact with eyes

Patch-test required for highly sensitive individuals

Avoid combining with other potent actives (retinoids, high-percentage AHAs/BHAs) without guidance

Drug Classification
OTC cosmeceutical antioxidant serum, not regulated as a medication

Drug Interactions
Minimal systemic absorption—low interaction risk

Do not exceed combined use with other high-strength vitamin C or acids without professional advice

Clinical & User Evidence
At 8 weeks: 79% reported visibly less irregularity; 84% saw tighter pores (n=53)
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Beauty editors cite it as a sensitive-skin vitamin C favorite

Consumer reviews note brightening, firmer texture, and gentle performance

FAQ (Q&A Format)
Q: How long before results appear?
A: Texture and brightness improve within ~4 weeks, with full firming effects by 8 weeks.

Q: Can it replace my retinol?
A: It’s a daytime antioxidant; retinol is a night-time vitamin A therapy. You can layer them (vitamin C in AM, retinol at night) to reduce irritation risk.

Q: Is it stable?
A: Formulated at skin-friendly pH; bottle design and antioxidants support stability, though color may darken over time.

Q: Not good for rosacea?
A: May irritate very sensitive or rosacea-prone skin. Patch test or alternate use recommended.

Q: Can I use it during pregnancy?
A: Ingredients are generally considered safe. Avoid early pregnancy if sensitivities arise and consult a doctor.

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