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Byrch product ingredients

Official ingredient lists and directions checked November 1, 2026. The Brightening Serum is listed as coming soon. An asterisk in the Scalp Serum list denotes organically sourced ingredients.

The Scalp Serum

60 mL · Available

Full ingredient list

Water, Glycerin*, Rosmarinus Officinalis (Rosemary) Leaf Extract*, Propanediol, Chlorella Emersonii Extract, Lecithin, Spirulina Maxima Extract, Ascorbic Acid, Tocopherol, Baicalin, Zingiber Officinale (Ginger) Root Extract*, Glycyrrhiza Glabra (Licorice) Root Extract*, Sodium Benzoate, Potassium Sorbate, Arginine, Lactic Acid, Glycine Soja (Soybean) Germ Extract, Triticum Vulgare (Wheat) Germ Extract, Scutellaria Baicalensis Root Extract, Gluconolactone, Calcium Gluconate, Tremella Fuciformis Extract*, Sodium Gluconate

Directions

  1. Part dry or slightly damp hair to expose the scalp.
  2. Apply directly to the scalp in the areas you want to focus on.
  3. Gently massage with fingertips for 1–2 minutes.
  4. Leave in. Do not rinse.
  5. Use nightly, following the complete directions on your bottle.

Official product page ↗

The Brightening Serum

30 mL · Coming soon

Full ingredient list

Water (Aqua), Ethyl Ascorbic Acid, Niacinamide, Glycerin, Propanediol, Alpha-Arbutin, Aloe Barbadensis Leaf Juice Powder, Panthenol, Pentylene Glycol, Sodium Hyaluronate, Tocopherol, Ferulic Acid, Sodium Phytate, Hydroxyethylcellulose, Trisodium Citrate, Salicylic Acid, Sorbic Acid, Benzyl Alcohol, Citric Acid

Directions

  1. Apply 1–2 pumps to clean skin in the morning and/or evening.
  2. Gently press in with fingertips until absorbed.
  3. Follow with moisturizer.
  4. Leave in. Do not rinse.
  5. For daytime use, follow with SPF 30 or higher.

Official product page ↗