Sharon Osbourne with Organic Color Systems To re-create Sharon Osbourne's hair color for your salon clients, use Organic Color Systems ammonia-free hair color, and follow this carefully crated professional hair color formula with styling instructions. Hair Color Formula To achieve Sharon Osbourne's hair color, first apply the following hair color formula (be sure to take your client's natural, regrowth, and/or artificially pigmented hair into consideration before formulating). Natural level: 5 1) Base (all over): 5FR (1oz) 5RC (1oz) Mix with: 20 volume activator [ Read More ]