Homepharmac iThe highest concentration of benzoyl peroxide for acne to be sold as OTC in the UAE is.. 10% publisher :NIL NAM -June 05, 2017 iThe highest concentration of benzoyl peroxide for acne to be sold as OTC in the UAE is: A) 2.5% B) 5.0% C)10%*** D)15%. Labels pharmac Facebook Twitter Share:iThe highest concentration of benzoyl peroxide for acne to be sold as OTC in the UAE is.. 10% Facebook Twitter WhatsApp Pinterest LinkedIn Reddit Tumblr Telegram Email