Saw Palmetto
INCI: Serenoa Repens Extract
Also known as: Serenoa Repens
Hair & ScalpactivebotanicalModerate evidenceNot for pregnancy
74
Skinlumis Rating
Comedogenic
0/5
Irritancy
0/5
Best applied
Both
Effective range
1%–10%
How It Works
A botanical 5-α-reductase inhibitor used in oral and topical hair-loss products as a natural DHT-blocker.
Fatty acid components inhibit 5-α-reductase enzymes, reducing follicular conversion of testosterone to DHT.
pH Range
5.0–7.0
Benefits
- Reduces DHT effects on follicles
- Sebum control
- Adjunct to minoxidil
Proven For
What the evidence supports.
Androgenetic alopeciaOily scalp
Best For
- All skin types
Avoid If
No notable contraindications reported.
Layering Order
5/10
Mid-routine serum or treatment step.
Max Safe Concentration
10%
Concentration range in well-formulated products: 1%–10%
Seasonal Use
Year-round.
Nutrition Connection
Oral saw palmetto supplements support prostate health.
Skin Signals When You Need It
No specific deficiency signals tracked for this ingredient.
For Estheticians & Professionals
Plant-derived DHT-blocker; can be paired with minoxidil for synergy.
Pairs Well With
Conflicts With
No flagged conflicts. Still, patch-test new actives.
Your Skin Compatibility
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