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Contains harmful ingredientsSTOP
ulo
Hair Growth Serum
Last verified: August 3, 2026
- Water (Aqua)
- Capixyl™: Butylene Glycol
- Dextran
- Acetyl Tetrapeptide-3
- Trifolium Pratense (Clover) Extract
- Redensyl™: Glycerin
- Sodium Metabisulfite
- Larix Europaea Wood Extract
- Glycine
- Zinc Chloride
- Camellia Sinensis Leaf Extract
- Procapil™: Butylene Glycol
- PPG-26-Buteth-26
- PEG-40 Hydrogenated Castor Oil
- Apigenin
- Oleanolic Acid
- Biotinoyl Tripeptide-1
- Serenoa Serrulata Fruit Extract
- Rosmarinus Officinalis (Rosemary) Leaf Extract
- Carnitine Tartrate
- Lysine
- Taurine
- Cysteine
- Methionine
- Benzyl Alcohol
- Adenosine (US Only)
- Polysorbate 20
- Sodium Phytate
- Caffeine
- Mentha Piperita (Peppermint) Oil
- Benzoic Acid
- Tussilago Farfara (Coltsfoot) Flower Extract
- Achillea Millefolium Extract
- Cinchona Succirubra Bark Extract
- Sodium Lactate
- Guar Hydroxypropyltrimonium Chloride
- Sorbic Acid
- Sodium PCA
- PCA
- Arginine
- Aspartic Acid
- Melatonin (US Only)
- SD Alcohol 40-B
- Methyl Nicotinate
- Valine
- Proline
- Threonine
- Isoleucine
- Histidine
- Phenylalanine
- Alanine
- Serine
- Quaternium-51
Why This Product is Rated STOP
Hair Growth Serum by ulo has been evaluated by Million Marker and contains ingredients with known health concerns. This product is rated STOP, indicating higher concern.
We recommend avoiding STOP-rated products and seeking safer alternatives from our GO or SLOW categories.
Frequently Asked Questions
