These solutions are used for first aid or surgical wound care. Not for long term care! They are actually too strong and may hinder healing.
Betadine and Povidone Iodine are used in pre-surgical operations. When used too often it can actually kill healthy skin cells.
It will also discolor gold jewelry.
Hibiclens information:
Active Ingredients:Chlorhexidine Gluconate (4%).
Inactive Ingredients:Fragrance, Isopropyl Alcohol, Purified Water, Red #40
It has antiseptic activity and a persistent animicrobial effect with rapid bactericidal activity against a wide range of microorganisms. It is generally used as a surgical scrub, and preoperative skin preparation. Too harsh for a piercing.