9.4.1 Exogrow Booster Lotion

Efficacy study: 9.1 Exogrow Booster Shampoo + 9.4.1 Exogrow Booster Lotion

In a 56-day study with 21 adults with hair loss, 95% of participants noticed visibly less hair fall after using 9.1 Exogrow Booster Shampoo and 9.4.1 Exogrow Booster Lotion. According to the manufacturer, hair density increased by 19% and hair thickness by 14%; 95% saw a visibly improved scalp condition.

Measured and rated by participants

• +19%Hair density
• +14%Hair thickness

Tested together with

• 
  9.1 Exogrow Booster Shampoo 200 ml

  €33,00
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• 
  9.1 Exogrow Booster Shampoo 50 ml

  €9,00
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• 
  9.4.1 Exogrow Booster Lotion 100 ml – Set of 3

  €234,90
  Add to cart

Before and after (study images)

Study design

Participants

21 adults (18+) with androgenetic alopecia, alopecia areata or other scalp and hair concerns

Duration

56 days

Study period

20 October – 18 December 2025

Method

Image analysis with Aramo® ASW 300F and questionnaire

Testing laboratory

J.S. Hamilton Poland Sp. z o.o.

Awards

Cosmoprof Awards 2025 – Finalist, Hair Products category

Use in the study

• 9.1 Shampoo: apply to scalp and hair, massage for 2–5 minutes, rinse – daily or every other day.
• 9.4.1 Lotion: shake, apply 8–10 sprays to dry or damp scalp, massage gently until fully absorbed – daily.

Independent efficacy study, conducted and evaluated by the testing laboratory J.S. Hamilton Poland Sp. z o.o. Results refer to the study group; individual results may vary. Cosmetic product, not a medicinal product.