A classic botanical imbroglio! We can compare it to the effect of varnish on a piece of wood: by entirely coating each strand of hair the plant makes them look lustrous and smooth. The only difference with henna is that it has almost no colour.
Organic Cassia Obovata "Neutral" Henna Hair-Shine Condition -Blonde Highlights
Herbatint Vegetal Color - 100% Natural & Organic Neutral Cassia Power - Neutral Henna 100g
H&C Neutral Henna Powder/Colorless Henna/Cassia Powder (Cassia Obovata) - 227G (1/2 Lb) | For Conditioning Your Hair Without Coloring.
Davis Finest Organic Cassia Obovata Powder 100g, Neutral Henna Natural Hair Strengthening, Hair Mask, Blonde Hair Dye, Shine Conditioner
SAMYAM COLORLESS/Neutral Henna (Cassia obovata) Powder - 200g Pack | Natural Hair Conditioner, PPD and Chemical Free
Davis Finest Organic Cassia Obovata Powder 250g, Neutral Henna, Blonde Hair Dye, Deep Conditioner, Strengthening, Hair Mask