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LifeSource Vitamins Clinical DHT Blocking Shampoo — Liquid, 12 fl oz (354 mL) — Helps Reduce DHT-Related Thinning & Supports Thicker-Looking Hair*
Formulated with a cosmetic DHT-blocking complex built around Zinc PCA and the botanically-sourced Kapilarine® blend (Kigelia africana fruit, Ginkgo biloba leaf, Salvia sclarea (sage) leaf, and Cinnamomum zeylanicum (cinnamon) bark), plus Green Tea (EGCG), Hydrolyzed Keratin, Panthenol (Pro-Vit B5), Jojoba, Wheat-Germ Oil and Vitamin E. Sulfate- and paraben-free; produced in FDA-registered, GMP-certified facilities and 3rd-party tested for identity, potency & purity.*
Research-Driven & Verified Product.
Explore the clinical research, ingredient science, and global evidence supporting this product below.
Research Promise: At LifeSource Vitamins, our commitment is rooted in research and results. Every benefit below is supported by human clinical studies indexed in the National Institutes of Health (NIH) via PubMed, with full texts available in the National Library of Medicine (NLM) PubMed Central (PMC) when available. In addition, we reference reviews from 39 leading health organizations and insights from 20 top global universities to ensure our guidance aligns with credible science.*
Clinically Studied Benefits
✓ Helps normalize scalp oil (Zinc PCA) — Zinc salts (including PCA) reduce sebum production and support scalp comfort in human studies.
NIH/PubMed — Pierard-Franchimont, 2008
✓ Cosmetic anti-DHT support (Green Tea / EGCG) — Green tea catechins inhibit 5α-reductase activity and support hair appearance/density in human scalp trials.
NIH/PubMed — Kwon, 2007
✓ Supports scalp microcirculation & antioxidant defense (Kapilarine® botanicals) — Kigelia africana and Ginkgo biloba promote circulation and antioxidant effects relevant to scalp health.
NIH/PubMed — Bombardelli, 2002
✓ Stronger-feeling hair (Hydrolyzed Keratin & Panthenol) — Reduced breakage, improved tensile strength and gloss in human cosmetic trials.
NIH/PubMed — Rele, 2007
✓ Moisture & scalp comfort (Jojoba / Wheat-Germ Oil / Vitamin E) — Moisturization, barrier support and antioxidant defense in dermatology reviews and trials.
NIH/PMC — Lin, 2017
✓ Supports hair density appearance (EGCG topical) — EGCG promotes hair growth signaling in human follicle models and clinical contexts.
NIH/PubMed — Kwon, 2007
✓ Antimicrobial scalp support (Sage & Cinnamon in blend) — Antioxidant and antimicrobial actions help maintain healthy scalp ecology.
NIH/PubMed — Hammer, 2015
✓ Improves hair manageability (Panthenol) — Enhances elasticity, shine and moisture retention in cosmetic evaluations.
NIH/PubMed — Ebner, 2002
✓ Supports scalp barrier integrity (Jojoba Oil) — Mimics sebum for hydration and protection in skin studies.
NIH/PMC — Gad, 2021
✓ Antioxidant protection for hair/scalp (Vitamin E) — Topical vitamin E supports defense against oxidative stress in clinical contexts.
NIH/PubMed — Keen, 2007
Additional / Promising Evidence
✓ Zinc & seboregulation — Zinc salts reduce sebum and support scalp health in reviews.
NIH/PubMed — Pierard-Franchimont, 2008
✓ EGCG & hair biology — Catechins influence hair cycle signaling in mechanistic studies.
NIH/PubMed — Kwon, 2007
✓ Ginkgo & microcirculation — Supports peripheral circulation with scalp relevance in human evidence.
NIH/PubMed — Kleijnen, 1992
✓ Sage & cinnamon antimicrobial — Help maintain clean scalp environment in antimicrobial studies.
NIH/PubMed — Hammer, 2015
✓ Panthenol hair benefits — Improves elasticity and shine in cosmetic applications.
NIH/PubMed — Ebner, 2002
✓ Keratin peptides repair — Surface repair and reduced breakage in hair studies.
NIH/PubMed — Rele, 2007
University-Led & Academic Studies
✓ Green tea EGCG in hair follicle models — Academic studies on catechins for hair growth signaling.
NIH/PubMed — Kwon, 2007
✓ Zinc PCA sebum control clinical — University-affiliated dermatology on zinc salts for scalp oil regulation.
NIH/PubMed — Pierard-Franchimont, 2008
✓ Botanical blends for scalp microcirculation — Academic research on Ginkgo and Kigelia for circulation support.
NIH/PubMed — Kleijnen, 1992
We monitor research from leading institutions —
Harvard, Johns Hopkins, Mayo Clinic, Cleveland Clinic, Cambridge, Oxford, Stanford, Yale, Tufts, University of Florida, Oregon State University – Linus Pauling Institute, Columbia, Cornell, Ohio State — to align with credible science.*
Key Ingredients
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Zinc PCA — Seboregulating zinc salt used in human studies for oil control and scalp comfort.
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Green Tea (EGCG) — Catechin shown to inhibit 5α-reductase and used in hair/scalp research.
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Kapilarine® Botanicals — Kigelia, Ginkgo, Sage, Cinnamon for antioxidant, antimicrobial and microcirculatory support.
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Hydrolyzed Keratin & Panthenol — Improve hair strength, feel and gloss in cosmetic trials.
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Jojoba • Wheat-Germ Oil • Vitamin E — Moisturize and protect the scalp/hair fiber.
Brief Benefit Bullets
- Helps reduce excess scalp oil (Zinc PCA)*
- Cosmetic support for DHT-related thinning (EGCG + Kapilarine®)*
- Strengthens & smooths hair (Keratin + Panthenol)*
- Moisturizes scalp/hair (Jojoba, Wheat-Germ, Vitamin E)*
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3rd-party lab tested for identity, potency & purity
Suggested Use
Wet hair thoroughly. Massage a quarter-size amount into scalp and hair for 60–120 seconds (leave on up to 2–3 minutes on areas of concern), then rinse well. Use daily or 3–4×/week. Avoid eyes. External use only.*
Product Specifications
• Form — Liquid shampoo
• Free From — Sulfates, parabens, gluten*
• Quality — Third-party tested for identity, potency & purity
LifeSource Vitamins — Proudly American — Since 1992
*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
Clinical DHT Blocking Shampoo — Zinc PCA, Kapilarine® botanicals & EGCG to support a healthy scalp environment and thicker-looking hair. 3rd-party tested. Clinically Studied Ingredients — NIH/PubMed!*
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