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Curated for everyday beauty routines
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Transform your hair care routine with VITAMINS Hair Cosmetics Keratin Hair Serum, a powerful leave-in treatment designed to restore vitality to dry, damaged, and color-treated hair. Infused with a synergistic blend of keratin, biotin, castor oil, and collagen, this 4.25 fl oz (125mL) serum delivers deep nourishment, frizz control, and heat protection while leaving your hair silky, shiny, and manageable. Whether you struggle with breakage, dullness, or unruly flyaways, this serum offers a comprehensive solution for healthier-looking hair.
For best results, apply a small amount (1-2 pumps) to clean, damp hair after washing. Distribute evenly from mid-lengths to ends, focusing on dry or damaged areas. Style as desired – you can air-dry or use heat tools. For a quick refresh, apply a tiny amount to dry hair to tame flyaways and add shine. Use daily or as needed.
This serum is ideal for anyone with dry, damaged, over-processed, or color-treated hair. It’s also perfect for those seeking a multi-tasking product that combines leave-in conditioner, heat protectant, and shine serum in one. Suitable for all hair types, including straight, wavy, curly, and coily textures.
VITAMINS Hair Cosmetics is dedicated to creating effective, science-backed formulations. This serum stands out because it addresses multiple hair concerns simultaneously: frizz, damage, heat exposure, and dullness. The blend of biotin, castor oil, and collagen works synergistically to strengthen from within while the keratin smooths the surface. Plus, the non-greasy formula ensures you get all the benefits without residue. Backed by positive reviews, it’s a reliable choice for transforming your hair health at home.
We usually dispatch orders within 3 business days. UK delivery usually takes 3–7 working days after dispatch. If an item is dispatched from an international warehouse, delivery may take 7–21 working days. Tracking is provided after dispatch.
Avelisse offers clear post-purchase support and a 30-day return window where eligible. Please check the store returns policy before sending an item back, because final eligibility can depend on product condition, hygiene exclusions, packaging, proof of purchase and whether the return request is started within the stated return window.
Use the product description, available variants, product images and collection filters to compare suitability, finish, shade, size, texture or routine step. For beauty products, always review the ingredient list, directions, warnings and usage information on the product packaging before applying, especially when choosing skincare, haircare or body care for a specific concern.
Ingredient lists, shade details, materials and suitability notes can change by batch or supplier. Check the product packaging first, compare any allergens or sensitivities before use, patch test where appropriate and stop use if irritation occurs. If you are unsure whether a product is right for you, seek professional advice before applying it.
Why shop with Avelisse
Checkout is handled securely through Shopify.
Returns information is written plainly before purchase.
Delivery messaging is set up for United Kingdom shoppers.
Support routes are available for order and product questions.
Products are organised for easier beauty discovery.
