hair booster shot

Application depends on the product form: topical regrowth solutions are applied directly to the scalp; leave-in sprays are sprayed onto damp hair and left in before styling; thickening sprays are applied to towel-dried hair before blow-drying; and some vitamin boosters are applied to the scalp, left on for about 3–5 minutes, then rinsed out.

Common sizes reported include 2 fl oz, 5 fl oz, 5.1 fl oz, 6 fl oz (or 6 oz), 8.45 fl oz, and 16 fl oz.

Review summaries commonly report initial visible results after about 2–4 months of consistent use.

Typical instructions are to apply the product directly to the scalp after shampooing or mix it into conditioner, massage from roots to ends, leave on for about 3–5 minutes, then rinse. Many products recommend using this treatment roughly three times per week.

They target thinning or lack of regrowth on the top of the scalp, increased volume and fullness, strand thickening, detangling, frizz smoothing, damage repair, and reduction of split ends.