The hypoallergenic alternative for sensitive skin and moderate perspiration this is a neutral unfragranced alcohol free and aluminium free deodorant that effectively fights odour with himalayan crystal salt and ammonium alum offering 24 hour protection with no white residue and staining this roll on crystal deodorant is guaranteed to be reliable and with the inclusion of soothing comfrey is extremely gentle on the skin this is the perfect roll on deodorant for those who shave the underarm