Women concerned about thin, fragile, falling hair use Spectral.CSF because the anti-aging formula stimulates hair aggressively while remaining light to avoid heavy buildup.Without extraneous ingredients targeted to men, this new formulation for women results from extensive research at DS Laboratories into the complex biology of female thinning and falling.Factors unique to women include follicular bulb size, hormonal fluctuations, skin sensitivity, and styling practices.- Thinning hair and hair loss prevention especially for women. Factors unique to women\'s hair loss include follicular bulb size, hormonal fluctuation, scalp sensitivity, and styling practices. Spectral.CSF hair-revitalizing treatment results from biotech research specific to female hair growth.- Light, transparent formula won\'t cramp your style. Style your hair however you like. Spectral.CSF remains lighter and less visible, compared to men\'s hair loss formulas, while it delivers cutting-edge technologies to boost hair growth, fiber density, and tensile strength.