About the Product

What it is: A color-safe, volumizing shampoo with Biotin, Chia Seed Oil, and Hydrolyzed Keratin that adds volume and bounce to fine strands, strengthens and thickens hair, and hydrates and nourishes for a fuller, healthier-looking finish.

Item Form: Gel Shampoo | Hair Type: Fine | Hair Texture: Straight, Wavy, Curly and Coily | Color Safe: Yes

What Else You Need to Know: Fine hair needs a shampoo that cleanses thoroughly without weighing strands down, and the OUAI Fine Hair Shampoo delivers exactly that. Its lightweight gel formula adds volume and bounce from the roots while Biotin and Hydrolyzed Keratin strengthen and thicken each strand from within. Free from sulfates SLS and SLES, parabens, phthalates, and a full list of harmful ingredients, it is a clean, cruelty-free, and gluten-free formula packaged in recyclable packaging for a more sustainable wash day.

Why It Works — Key Ingredients:

• Biotin: Strengthens and reinforces fine hair from within, helping to reduce breakage and improve the overall resilience and thickness of each strand with regular use.
• Chia Seed Oil: Rich in omega fatty acids, it thickens and volumizes fine strands, adding body and bounce without heaviness or buildup.
• Hydrolyzed Keratin: Softens and smooths the hair cuticle, reduces frizz, and adds a brilliant shine to fine hair, leaving it looking healthy, polished, and full of life.

Ingredient Callouts: Biotin. Chia Seed Oil. Hydrolyzed Keratin. Color-safe. Sulfate-free. Paraben-free. Phthalate-free. Gluten-free. Cruelty-free. Recyclable packaging.

What It Does:

• Adds volume and bounce to fine strands without weighing hair down
• Strengthens and thickens hair with Biotin and Hydrolyzed Keratin
• Hydrates and nourishes fine hair while keeping it light and voluminous
• Color-safe and free from sulfates SLS and SLES, parabens, and phthalates
• Suitable for straight, wavy, curly, and coily fine hair textures
• Cruelty-free, gluten-free, and packaged in recyclable packaging

How to Use:

• Apply to wet hair and work into a lather from roots to ends.
• Massage gently into the scalp, focusing on the roots for maximum volume.
• Rinse thoroughly with water.
• Follow with OUAI Fine Hair Conditioner for best volumizing results.
• Use regularly as part of your wash day routine.

Ingredients: Please consult the packaging of the product purchased for the full and exact ingredient list, as formulations may be subject to change.

This list of ingredients may be subject to change. Please consult the packaging of the product purchased for the exact ingredient list.