COS DE BAHA RETINOL 2.5% SERUM 30ML (RS)

COS DE BAHA RETINOL 2.5% SERUM 30ML (RS)

COS DE BAHA Retinol 2.5% Serum (RS) is a high-performance night treatment formulated with a 2.5% retinol complex to visibly reduce fine lines, wrinkles, acne marks, and uneven skin texture. Enhanced with Niacinamide, Hyaluronic Acid, and Vitamin E, this lightweight serum supports skin renewal while helping maintain hydration and barrier strength. Ideal for experienced retinol users seeking visible anti-aging and skin-smoothing results.

Key Benefits

• Reduces fine lines, wrinkles, and early signs of aging
• Improves skin texture and promotes cell turnover
• Helps fade acne marks and post-inflammatory pigmentation
• Minimizes clogged pores and uneven skin tone
• Supports collagen production for firmer-looking skin
• Lightweight, fast-absorbing, non-greasy formula
• Suitable for normal, oily, and combination skin

Key Ingredients

• 2.5% Retinol Complex – Accelerates skin renewal and improves visible signs of aging
• Niacinamide – Strengthens skin barrier, calms irritation, and evens skin tone
• Hyaluronic Acid – Provides deep hydration and prevents dryness
• Vitamin E – Antioxidant protection against environmental stressors

Full Ingredients

Aqua (Water), Retinol (Retinol Complex 2.5%), Niacinamide, Sodium Hyaluronate, Tocopherol (Vitamin E), Glycerin, Propanediol, Butylene Glycol, 1,2-Hexanediol, Carbomer, Tromethamine, Phenoxyethanol, Ethylhexylglycerin

How to Use

• Cleanse and completely dry your face
• Apply a pea-sized amount at night
• Gently spread over face, avoiding eye and lip areas
• Follow with a moisturizer
• Use 2–3 times a week, then increase gradually
• Always apply broad-spectrum sunscreen the next morning

Who Should Use This Serum

1. Experienced retinol users
2. Fine lines, wrinkles, and aging concerns
3. Acne marks and uneven texture
4. Oily and combination skin

Why Choose COS DE BAHA Retinol 2.5% Serum

• High-strength retinol complex for visible results
• Balanced with soothing and hydrating ingredients
• Dermatologist-formulated, non-comedogenic
• Lightweight texture suitable for night use
• Free from parabens, sulfates, and artificial fragrances
• Trusted Korean skincare brand

Frequently Asked Questions 

Q1: Is this serum suitable for beginners?

No. Due to its strength, it is best for experienced retinol users.

Q2: Does 2.5% mean pure retinol?

No. It refers to a retinol complex, not pure retinol, making it effective yet balanced.

Q3: Can acne-prone skin use this serum?

Yes. It helps unclog pores and reduce acne marks when used correctly.

Q4: How long does it take to see results?

Texture improvements may appear in 3–4 weeks, with visible anti-aging results in 6–8 weeks.

Q5: Can I use it with Niacinamide or Hyaluronic Acid?

Yes. This serum already contains both to help reduce dryness and irritation.

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