KERATHERAPY Keratin Root Boost Volumizer Spray for Fine & Thin Hair - 8.5 fl oz, Lightweight Lift & Nourishing Botanicals

KERATHERAPY Keratin Infused Root Boost Volumizer Spray is a lightweight, keratin-enriched styling mist designed to lift roots and add visible fullness to fine or thinning hair without weighing it down.

This volumizing root spray blends Keratherapy’s Kerabond technology with plant-derived actives like hemp seed oil, sea kelp, and hydrolyzed silk to create volume at the scalp and a touchable texture through the lengths. The formula targets limp, keratin-deficient hair by coating strands with protein and moisture-balancing botanicals so styles hold and hair appears thicker. It’s sprayed at the root for instant lift, with a lightweight finish that works on damp or dry hair and pairs easily with heat styling or air-dry routines.

How does this spray create lift at the roots?

The mist deposits a blend of keratin-derived protein and film-formers at the base of each strand, creating structure where hair typically falls flat. That structural support helps roots stand away from the scalp for a visible boost without sticky residue. Works on both fine and medium hair that needs extra body at the crown.

• Kerabond technology adds protein support at the root
• Lightweight film-formers provide instant, flexible lift
• Suitable for use on damp or dry hair before styling

Will it weigh my hair down or leave residue?

No — the formula is designed to remain airy while delivering volume, so it doesn’t leave hair heavy or stiff. It contains conditioning ingredients like hydrolyzed silk that smooth cuticles and hemp seed oil that helps maintain softness. You can layer it with other styling products without the typical buildup heavier mousses create.

• Non-greasy feel for lightweight volume
• Hydrolyzed silk helps keep strands smooth and soft
• Rinses cleanly with regular shampoo

How do I use the root boost for best results?

For maximum lift, spray directly at the roots on damp hair, then blow-dry while lifting sections with a brush or fingers. On dry hair, target the crown and massage gently to reactivate the product and reshape the roots. It integrates well with heated tools and finishing sprays for longer-lasting style.

• Apply 4–6 inches from roots on damp or dry hair
• Blow-dry with lift or tousle with fingers on dry hair
• Combine with volumizing shampoo and conditioner for a fuller effect

Which hair types benefit most from this spray?

This spray is formulated for fine, thin, or limp hair that needs root support and visible thickness. It also works for color-treated hair and those who use heat tools regularly, since the keratin-focused formula aims to reinforce strand structure. People seeking a natural-looking lift rather than sculpted stiffness will find it especially useful.

• Best for fine to medium hair seeking more body
• Safe for color-treated and chemically styled hair
• Ideal for daily styling or occasional boost for special looks

Who is this for: KERATHERAPY Keratin Infused Root Boost Volumizer Spray is aimed at anyone with fine, thin or lifeless hair who wants immediate root lift, improved strand texture, and a fuller-looking silhouette without heavy product buildup. It’s a practical choice for busy people who need a quick, effective volume solution that pairs with other Keratherapy volume-care products for a fuller, more manageable style routine.

Ingredients

Alcohol Denat, Aqua, VP/VA Copolymer, Keratin Amino Acids, PEG-12 Dimethicone, Parfum, Vinylcaprolactam/VP/Dimethylaminoethyl Methacrylate Copolymer, Litsea Glutinosa Bark Extract, Hydrogenated Hemp Seed oil, Macrocystis Pyrifera Extract, Hydrolyzed Wheat Protein/PVP Crosspolymer, Wheat Amino Acids, Hydrolyzed Silk, Menthoxpropanediol, Allergen: Benzyl Benzoate, Benzyl Salicylate, Coumarin, Limonene, Linalool, Alpha-Isomethyl lonone