• DSD De Luxe black and gold bottles of hair care products on a white bathroom countertop
  • DSD 9.4.1 Exogrow Booster Lotion hair strengthening product with 2025 Cosmoprof Awards finalist badge
  • DSD de Luxe 9.1 Exogrow Booster Shampoo bottle with turmeric powder and sliced turmeric root on white background
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DSD de Luxe

Exogrow Booster Set 9.1 + 9.4.1

Exogrow Booster Set 9.1 + 9.4.1

€108,00 EUR
€120,00 EUR €108,00 EUR
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Ce PACK se compose des deux plus récents ajouts à la ligne 9 de la série CLASSIC. More details
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Clinically observed

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
Share of participants
Hair clean and soft after rinsing100%
Hair falls out visibly less95%
Scalp condition visibly improved95%
Hair less brittle95%
Hair less prone to damage95%
Lotion absorbs without greasy residue95%
Results visible after 8 weeks95%
Hair visibly stronger90%
Scalp feels more balanced90%
Hair density visibly increased90%
More volume86%
Hair feels thicker86%
More baby hairs81%

Before and after (study images)

Efficacy study: 9.1 Exogrow Booster Shampoo + 9.4.1 Exogrow Booster Lotion – Before
Before
Efficacy study: 9.1 Exogrow Booster Shampoo + 9.4.1 Exogrow Booster Lotion – After
After

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.