Key Points
Niacinamide can:
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- Enhanced skin cell turnover: Niacinamide increases skin hydration, aiding in the breakdown of structures holding dead skin cells together, facilitating their shedding from the skin’s surface through proteases.
- Reduced irritation: Niacinamide improves the skin’s barrier function, making it more tolerant to retinol, thus reducing irritation when used together.
- Similar pH levels: Both niacinamide and retinol work effectively at overlapping pH levels (between 5.0 and 7.0), ensuring minimal pH interference between them.
- Treat similar skin conditions: Niacinamide and retinol are effective for acne, fine lines, wrinkles, and hyperpigmentation, complementing each other’s approaches for enhanced results.
