Batik is dyed by proud craftspeople who draw designs on fabric using dots and lines of hot wax, which resists vegetable and other dyes and therefore allows the artisan to colour selectively by soaking the cloth in one colour, removing the wax with boiling water and repeating if multiple colours are desired.

UNESCO: Culture

Other big brands were accused of using poor dyes or having bad colour quality.

ECONOMIST: Foreign brands encounter a new form of protectionism

"There's lead acetate in hair dyes, lead in lipsticks, formaldehyde and 1, 4-dioxane in baby shampoos and other shampoos, " said Lisa Archer, co-founder and former director of the Campaign for Safe Cosmetics and current director for the environmental group Friends of the Earth.

CNN: Consumer advocates lead push for 'green' cosmetics