Interest in hydroquinone is back but with its problematic ... A hero ingredient within skincare, retinol helps to stimulate cell turnover, effectively diminishing and reducing scarring overtime.

Many contained the bleaching agent hydroquinone - the creams can also contain mercury. The British Skin Foundation said people should speak to a doctor if they had any concerns about their skin.

the BBC has undercover footage of her still selling a skin-whitening cream. Funbeaut-A is was sold to undercover BBC reporters in a shop in Manchester. It contains hydroquinone, which cannot be ...