What you need: 2 oz. Spray bottle or pump, witch hazel, yl cedarwood, yl lavender, yl rosemary. Add 10 drops of each oil and top with witch hazel. After a shower, pump a little into your hand and massage into hair focusing on the scalp. Take remaining product and massage into the ends of your hair. All 4 of these ingredients are good for maintaining a healthy scalp + hair growth!