- 50 ml - ZO Retinol Brightening Serum 0.5%: A retinol formula that quickly improves uneven skin tone, leaving skin brighter, clearer, and smoother. - Country of origin: USA
- 50ml - ZO Retinol Skin Brightener 0.5%: A retinol-based solution that quickly improves the appearance of uneven skin tone, resulting in a brighter, clearer, and smoother complexion - Country of Origin: USA