Coriander is a rich source of many essential vitamins like folic acid, vitamin C, vitamin A and beta-carotene. Studies have shown that coriander leaves and seeds contain 30% of the daily recommended amount of vitamin C. Vitamin C is a powerful antioxidant that is essential for a healthy body and skin.
Another, more costly treatment for cystic acne is laser surgery. A dermatologist or doctor can use a laser that emits small amounts of light to treat cystic formations. Laser treatments prove successful in ridding the skin of cystic acne, but the solution often proves temporary.
Yes, I don't think the facials are good for cystic acne. I have a book by a dermatologist. For mild acne, he mentions the possibility of gentle facials with extraction but I don't think that's good for cystic acne.