Figure 1: Clinical cases of group 1. Seborrheic keratosis patient before GA70% peel (1a), show poor improvement after GA70% peels (1b). Actinic keratosis patient before GA 70% peel (1c), show good improvement after GA 70% peel (1d). Solar lentigines patient before GA 70% peel (1e), show fair improvement after GA70% peel (f).