Polyquaternium-51 is a synthetic polymer used in skincare and hair care products. It has humectant and film-forming properties, helping to preserve the skin's barrier and prevent water loss. It is similar to phospholipids, an important cell membrane ingredient. It is a good skin moisturizer, leaves a silky, smooth feel on the skin, and can help to reduce irritation caused by some harsh ingredients. It is also used in hair care products to improve hair texture and manageability. It is also used in skin and oral care. When applied to the skin, it demonstrates water resistance, improves moisturization, and reduces skin roughness. It may protect from commonly used irritants.
Hydration: Polyquaternium-51 helps to hydrate the skin by preserving its barrier and preventing water loss. Film-forming: It forms a protective film on the skin's surface, helping to reduce water loss and protect the skin from environmental stressors. Moisturizing: It is a good skin moisturizer, leaving a silky, smooth feel on the skin. Soothing: It can help to reduce irritation caused by some harsh ingredients. Hair care: It improves hair texture and manageability.
Suitable for all skin types
No negative or hazardous side effects regarding its use were found.
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Synthetic
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Good
Polyquaternium-51 is a biocompatible copolymer that has a similar structure to phospholipid, an important cell membrane ingredient. It is safe to use in cosmetics and personal care products at typical usage levels of 0.5-5%.
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