- Achieve voluminous and fuller-looking hair with Hairology Natural Keratin Hair Thickening Fibers. Specially formulated with natural fibers and oat protein, this product helps thicken and add luster to fine, thinning hair while effectively concealing the scalp.Hairology blends beautifully to instantly conceal thinning hair
- Easy 2-step process
- Great for root cover-up.
- Wind and humidity resistant
- Paraben Free