enternalearner3964 enternalearner3964 12-02-2024 Medicine contestada How long are the pre-art treatment processes and hair cleansing cream applied for? a) Pre-art treatment: 15 minutes; Hair cleansing cream: 10 minutes b) Pre-art treatment: 30 minutes; Hair cleansing cream: 20 minutes c) Pre-art treatment: 45 minutes; Hair cleansing cream: 30 minutes d) Pre-art treatment: 60 minutes; Hair cleansing cream: 40 minutes