The Hair Serum
Targeted support for thinning, stressed, or fatigued hair.
Caldera Lab The Hair Serum is a lightweight, leave-in treatment designed to support healthier-looking hair and scalp without heaviness or residue. Formulated for men experiencing thinning, dryness, or scalp stress, this daily serum delivers bioactive ingredients that help strengthen hair at the root, improve scalp condition, and support overall hair density. Fast-absorbing and non-greasy, it fits seamlessly into a simple routine.
- Helps support thicker, fuller-looking hair
- Strengthens hair at the root and along the shaft
- Supports scalp health and balance
- Lightweight, non-greasy formula
- Absorbs quickly with no residue
- Designed for daily use
Apply a small amount directly to the scalp once daily, focusing on thinning or stressed areas. Massage gently and leave in. Do not rinse. Can be used on damp or dry hair.
Avoid contact with eyes. Discontinue use if irritation occurs.
- Caffeine – Helps stimulate the scalp and support hair density
- Creatine – Supports hair strength and resilience
- Panthenol (Provitamin B5) – Helps hydrate and smooth hair
- Biotin – Supports healthy hair structure
- Eclipta Prostrata & Botanical Extract Blend – Traditionally used to support scalp health and hair vitality
Aqua/Water/Eau, Glycerin, Propanediol, Pentylene Glycol, 1,2-Hexanediol, Butylene Glycol, Creatine, Curcuma Longa (Turmeric) Root Extract, Panthenol, Arginine, Lactic Acid, Caffeine, Methyl Diisopropyl Propionamide, Eclipta Prostrata Extract, Hydrolyzed Pea Protein, Hydrolyzed Vegetable Protein, Glycine Soja (Soybean) Germ Extract, Triticum Vulgare (Wheat) Germ Extract, Xanthan Gum, Piper Nigrum (Pepper) Seed Extract, Sarcosine, Sodium Phytate, Gluconolactone, Camellia Sinensis Leaf Extract, Capsicum Annuum Fruit Extract, Lycium Chinense Fruit Extract, Sophora Flavescens Root Extract, Scutellaria Baicalensis Root Extract, Phyllanthus Emblica Fruit Extract, Sodium Benzoate, Angelica Gigas Root Extract, Malus Domestica Fruit Cell Culture Extract, Potassium Sorbate, Angelica Dahurica Root Extract, Lithospermum Erythrorhizon Root Extract, Morus Alba Root Extract, Pinus Palustris Leaf Extract, Polygonum Multiflorum Root Extract, Rubus Coreanus Fruit Extract, Myrothamnus Flabellifolia Leaf/Stem Extract, Phytic Acid, Ascorbic Acid, Citric Acid, Biotin, Calcium Gluconate, Glycoproteins, Oligopeptide-2
Caldera Lab formulates products with a focus on clean, performance-driven ingredients and controlled manufacturing standards. While specific third-party testing certifications are not publicly disclosed, the brand emphasizes ingredient quality, safety, and consistency through rigorous formulation and quality control practices.





