botanical
Larch Wood Extract
A source of arabinogalactan — a prebiotic polysaccharide — in hair density serum formulations. Its inclusion reflects the convergence of microbiome skincare and scalp health positioning.
Benefits
- Prebiotic — feeds beneficial scalp microbiome
- Arabinogalactan polysaccharide skin conditioning
- Humectant function
- Potential hair follicle stimulation via scalp microbiome modulation
- Anti-inflammatory polyphenols
Example uses
- Hair density serums
- Scalp treatments
- Prebiotic hair masks
- Microbiome-supportive scalp serums
- Conditioning hair balms
Mechanism of action
Arabinogalactan (a branched polysaccharide) functions as a prebiotic by serving as a fermentation substrate for beneficial scalp commensal bacteria. Fermentation produces short-chain fatty acids and postbiotic metabolites that may modulate scalp microbiome composition and support follicle health. The polysaccharide backbone also contributes humectant and conditioning function.
Clinical evidence · Emerging
Arabinogalactan prebiotic function established in gut microbiome literature. Scalp microbiome application is emerging; no independent clinical RCTs for larch wood extract in hair density.
Effective concentration range
0.5–2%
Formulation notes
Water-soluble arabinogalactan extract. pH stable in cosmetic range. Functions primarily as prebiotic polysaccharide.
Watchouts
Mechanism of hair density improvement via microbiome modulation is theoretical — clinical evidence for larch arabinogalactan specifically in hair care applications is brand-generated.
Stacks with
Market positioning
Marketed as prebiotic scalp activator. The prebiotic mechanism is credible; clinical translation to hair density improvement requires independent validation.
Comedogenicity
0 / 5
Sensitisation risk
Low
INCI & aliases
Larix Decidua Wood Extract
larix decidua wood extract · european larch extract · arabinogalactan from larch · larix extract
Clean beauty perception
Accepted in clean beauty within the prebiotic scalp care narrative.
Related ingredients
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