Biolex, Shur-Clens, and Techni-Care (withdrawn from the market) were the least toxic to keratinocytes.
Hydrogen peroxide, modified Dakin's solution, and povidone (10%) were found to be the most toxic.
Shur-Clens, SAF-Clens, and saline were found to be the least toxic to fibroblasts.
Dial Antibacterial Soap and Ivory Liqui-Gel were toxic.

"The study findings also suggest that judicious use of these supposedly innocuous agents should
be considered in a clinical setting."

Advances in Skin & Wound Care: September 2005 - Volume 18 - Issue 7 - pp 373-378
A Toxicity Index of Skin and Wound Cleansers Used on In Vitro Fibroblasts and Keratinocytes
Wilson, Judy R. PhD; Mills, John G. DO; Prather, Irvine D. DO; Dimitrijevich, S. Dan PhD
 

Alcohol wipes can be used anytime to clean jewelry while carefully avoiding the skin itself.
Soaking jewelry in Alcohol cannot be monitored for effectiveness.
Alcohol-soaking also cracks plastics.