good light perm solution [SEP] had been using this perm for years when the store quit carrying it was glad to find it on amazon it is not a strong permanent solution so it rarely burns the hair i am sure you could but it really is good for fine hair it does have a strong perm solution smell that lasted through the first shampoo but since it is so good with my hair it is a small price to pay it is important to do a test curl if your hair is a bit longer in order to ensure the bottom curls as much as the top i did not time it right last time and the bottom of my hair did not curl as tightly as the top a test time would have helped still overall it is an excellent perm for thin delicate hair