I really like this product. I honestly really like this brand as well. This acid peel is strong if you haven't been using any acids and/or retinoids. Takes very little applied and very little time. It is watery and doesn't smell. Bottle is thick glass and dark. Has a very light, natural fragrance. I use this one time weekly. Fridays PM routine. After a double cleanse balm and more gentle cleanser. I apply on damp skin for 60 seconds. I started at 15 and worked up.