SureThik Hair Thickening Fibers are keratin-based hair building fibers that conceal thinning hair, a widening part, or a receding hairline by clinging electrostatically to existing strands, making them appear instantly thicker and fuller. Available in Medium Brown, they're shaken directly onto the scalp over areas of visible thinning.
The fibers are cut from keratin protein, the same protein that makes up natural hair, so they bond to individual strands, including the fine vellus hairs already present on a thinning scalp, rather than sitting on top of the skin like a powder or spray. This gives a blended, natural-looking result rather than an obvious filled-in look, and the effect lasts through normal daily activity until the next wash.
SureThik fibers work as a cosmetic concealer, not a treatment: they don't stimulate growth or address the underlying cause of thinning, so many people use them alongside topical hair-loss treatments or during regrowth after a hair transplant. For the closest match, choose a shade the same as, or one shade darker than, your natural hair color. A companion holding spray is available separately to help lock the fibers in place and add shine once applied.
- Suitable for both men and women
- Works on any hair length
- Best applied to fully dry hair