WHAT IT IS A powerful AHA mask that deeply exfoliates clears pores and reinvigorates skin's collagen production. 3.38 oz. Made in Australia. WHAT IT DOES 15% glycolic acid, 5% lactic acid and ferulic acid helps skin feel clean and smooth. HOW TO USE IT Apply once a week to a clean face, neck and décolletage. Leave on the skin for a maximum of 10 minutes and remove with a warm, damp face cloth. For new users, begin with three - five minutes. Saks Off 5th. Alpha H. Color: White. Size: 3.38 Oz..