This product is for use in a shower. Get you or you and your partner very warmed up in a hot shower.  Turn the water off and do your arms or legs, or each others backs as first test due to high potency. Use only a tablespoon or two per person and rub briskly into the skin. Turn shower on and rinse with water for strong effect or with soap for a much smaller effect.  Users describe a most pleasant sleep or the best night of frolicing in many years, your choice!