Philip Kingsley - Overnight Scalp Barrier Serum - Hair Serum

```html <h4>Product Description</h4> <p>Discover the transformative power of Philip Kingsley Overnight Scalp Barrier Serum, a revolutionary treatment designed to protect and nourish your scalp while you sleep. This lightweight, non-greasy serum forms a protective barrier that helps to soothe irritation and maintain optimal scalp health. Infused with a blend of potent ingredients, this serum stands out for its ability to enhance scalp hydration and promote a balanced environment for hair growth. Say goodbye to discomfort and hello to a revitalized scalp!</p> <h4>Key Ingredients</h4> <ul> <li><strong>Hydrolyzed Silk:</strong> Provides moisture and enhances shine, leaving your hair looking healthy and vibrant.</li> <li><strong>Panthenol (Vitamin B5):</strong> Deeply hydrates the scalp, promoting a healthy environment for hair follicles.</li> <li><strong>Allantoin:</strong> Soothes and calms irritated skin, reducing redness and discomfort on the scalp.</li> </ul> <h4>Benefits</h4> <ul> <li