When it comes to achieving smoother, brighter, and youthful-looking skin, serums with powerful active ingredients like niacinamide and retinol are top choices. Two leading options in this category are Vichy LiftActiv B3 Serum and La Roche-Posay Retinol B3 Serum—both from renowned French skincare brands known for their dermatological expertise.
Although both serums feature Vitamin B3 (niacinamide) and promise anti-aging, dark spot correction, and improved skin texture, they differ significantly in formulation and specific skin concerns addressed.
In this article, we’ll take a closer look at these two best-selling products to help you determine which one better suits your skin goals.
Topics We’ll Cover:
- Overview: Vichy LiftActiv B3 Serum vs. La Roche-Posay Retinol B3 Serum
- Key Ingredients Breakdown
- Texture and Skin Feel
- Recommended Usage and Application Tips
- Price Comparison
- Final Verdict: Which Serum Should You Buy?
About Vichy LiftActiv B3 Serum & La Roche-Posay Retinol B3 Serum
Vichy LiftActiv B3 Serum
Developed by Vichy Laboratoires, a trusted French skincare brand with over 90 years of scientific heritage, the LiftActiv B3 Serum is an advanced dark spot corrector. It targets visible signs of aging, uneven tone, and pigmentation. The serum claims to show noticeable improvement in dark spots within just 8 weeks, leaving skin smoother and more even-toned.

La Roche-Posay Retinol B3 Serum
Originating from the French town of La Roche-Posay and now based in New York, this brand focuses on dermatologist-developed solutions for all skin types. Their Retinol B3 Serum is an anti-aging formula that combines pure retinol and niacinamide to visibly reduce wrinkles, improve skin texture, and restore radiance—while remaining gentle on sensitive skin.

Ingredient Comparison: What’s Inside?
Vichy LiftActiv B3 Serum
This serum contains a potent 13% concentration of dermatologically active ingredients:
- Niacinamide (Vitamin B3) – Helps brighten skin and reduce dark spots.
- Glycolic Acid (AHA) – Gently exfoliates dead skin cells for a more even tone.
- Tranexamic Acid (TXA) – Targets pigmentation and skin discoloration.
- Peptides – Stimulate collagen production and enhance skin firmness.
The formula also features peeling actives to promote a luminous skin tone and anti-inflammatory properties that prevent future pigmentation. It’s fragrance-free, allergy-tested, and suitable for all skin types and tones.
La Roche-Posay Retinol B3 Serum
This serum blends anti-aging and hydration benefits, ideal for addressing fine lines and dullness:
- Pure Retinol – A gold-standard anti-aging ingredient that accelerates cell turnover and reduces wrinkles.
- Niacinamide (Vitamin B3) – Strengthens the skin barrier and fades discoloration.
- Hyaluronic Acid – Hydrates and plumps the skin.
- Glycerin – Attracts moisture to keep skin soft and supple.
- Dimethicone – Acts as a barrier to reduce moisture loss.
- La Roche-Posay Thermal Spring Water – Rich in selenium and trace minerals to soothe and protect skin.
Texture & Skin Feel
Vichy LiftActiv B3 Serum
Lightweight and watery, this oil-free serum absorbs quickly and leaves a velvety smooth finish without stickiness. It has no added fragrance, making it perfect for sensitive or fragrance-averse users. The serum leaves skin feeling soft and refreshed after each application.
La Roche-Posay Retinol B3 Serum
This serum has a fluid yet hydrating texture, designed to be gentle on the skin while providing noticeable results. It offers a non-greasy, smooth finish with a soft feel. While it contains a mild fragrance, it’s not overpowering. A little product goes a long way due to its spreadable consistency.
How to Use: Application Tips
Vichy LiftActiv B3 Serum
This serum is ideal for reducing dark spots, uneven tone, and early signs of aging.
Recommended use:
- Apply twice daily, morning and evening, after cleansing.
- Use before your moisturizer.
- Gently squeeze the applicator and apply several drops to the face and neck.
- Always follow up with SPF during the day.
La Roche-Posay Retinol B3 Serum
Formulated for more advanced signs of aging, this retinol-based serum improves skin texture, reduces fine lines, and boosts cell regeneration.
Recommended use:
- Use once daily, in the evening only.
- Apply 3–4 drops to cleansed face and neck, avoiding the eye area.
- Gently massage in with fingertips.
- Follow with a moisturizer and always apply SPF the next morning.
Note: If you’re new to retinol, start using it 2–3 times per week, then gradually build up to nightly use to minimize potential irritation.
Price Comparison
Product | Size | Approximate Price |
Vichy LiftActiv B3 Serum | 20 ml | $45 |
La Roche-Posay Retinol B3 Serum | 30 ml | $45 |
Although both serums are priced similarly, La Roche-Posay Retinol B3 Serum offers 50% more product (30 ml vs. 20 ml). This makes it more cost-effective per milliliter, even though both target premium skincare users.
Which Serum Should You Choose?
Choose Vichy LiftActiv B3 Serum if you want to:
- Target dark spots and uneven skin tone
- Avoid retinol due to sensitivity concerns
- Use a serum twice daily with gentle exfoliating benefits
- Prefer a fragrance-free formula
Choose La Roche-Posay Retinol B3 Serum if you want to:
- Reduce fine lines, wrinkles, and dullness
- Benefit from pure retinol with added hydration
- Improve skin cell turnover and texture
- Use a strong anti-aging product suitable for nighttime use
Conclusion: Tailor Your Choice to Your Skin’s Needs
Both Vichy LiftActiv B3 Serum and La Roche-Posay Retinol B3 Serum are outstanding options backed by science and formulated with powerful actives. Your decision should be based on your specific skin goals:
- If your focus is on correcting pigmentation and achieving a more even tone, Vichy LiftActiv B3 Serum is an excellent choice.
- If you’re looking to combat aging, reduce wrinkles, and improve skin renewal, La Roche-Posay Retinol B3 Serum may be more suitable.
Consider your skin type, lifestyle, and tolerance to active ingredients like retinol before deciding. Either way, both serums offer dermatologist-developed, high-performance formulas that deliver visible results over time.