GriMii is a new microjet injector that uses laser pulse energy to inject tattoo pigments into the scalp within 0.15 ~ 0.20mm in the depth for Scalp Micropigmentation without using a needle. GriMii is a noninvasive treatment causing minimal damage to the tissue with less pain and does not require local anesthesia. The perfect SMP result and visual can easily be achieved by GriMii.