Based on this product's specifications, here are some alternatives and similar models
Scalp Massager Philip B model 595401 — handheld scalp massager for hair and scalp stimulation
Summary description:
Philip B Scalp Massager model 595401 is a handheld device designed for mechanical stimulation of the scalp to support blood circulation and ease product distribution during hair care routines. Suitable for use with shampoos, treatments and oils, it helps loosen buildup, massage the scalp and promote a comfortable cleansing or treatment application experience at home or in professional salons.