VOLUME CONDITIONER
A lightweight rinse-out conditioner built on Caffeine, a xanthine alkaloid, alongside Chanterelle Extract, Nettle Leaf Extract, and Zinc PCA. It supports the appearance of a balanced scalp and conditions fine-to-medium hair from mid-lengths to ends, so length stays soft while volume is preserved at the root. Hydrolyzed Keratin and Rosemary Leaf Oil round out a fresh, cooling daily finish.
Backed by published research · references belowHow subscriptions work
- Your ritual, uninterrupted. Each refill arrives before the last one runs out, at 20% off with complimentary shipping, every time.
- We email you ten days before each refill ships, and you are only billed on the day it ships.
- Pause, skip a delivery, or cancel whenever you wish. No minimum commitment.
Subscription pricing carries its own saving and does not combine with other offers or codes.
Formulated for Dry Skin and Oily Skin.
- Caffeine, a xanthine alkaloid, a scalp-conditioning active that supports the look of a balanced scalp1.
- Zinc PCA, a mineral salt of pyrrolidone carboxylic acid, a humectant and skin-conditioning agent that helps with the appearance of an oily scalp.
- Rosmarinus Officinalis (Rosemary) Leaf Oil, a botanical oil, comforts the scalp and carries the aromatic profile2.
Hero mechanism: Caffeine, a xanthine alkaloid, is documented in topical cosmetic positioning. Full mechanism and citations under Details and references.
The Opuliss Skin Volume Conditioner is a 390 ml / 13.19 fl oz rinse-out conditioner built on a botanical stack of Cantharellus Cibarius (Chanterelle) Extract, Caffeine, Urtica Dioica (Nettle) Leaf Extract, and Zinc PCA, paired with Hydrolyzed Keratin and Rosmarinus Officinalis (Rosemary) Leaf Oil. The formula is 98% natural origin and 7% organic origin. It is not vegan, because it contains Hydrolyzed Keratin derived from sheep wool.
Cantharellus Cibarius (Chanterelle) Extract, Sodium PCA, Urtica Dioica (Nettle) Leaf Extract, Zinc PCA, Tocopherol, Caffeine, Cocos Nucifera Oil, Persea Gratissima (Avocado) Oil, Prunus Amygdalus Dulcis (Sweet Almond) Oil, Hydrolyzed Keratin, Rosmarinus Officinalis Leaf Oil, Leuconostoc/Radish Root Ferment Filtrate.
Active ingredients: Cantharellus Cibarius (Chanterelle) Extract, a polysaccharide botanical; Sodium PCA, a humectant; Urtica Dioica (Nettle) Leaf Extract, a skin-conditioning botanical.
Aqua/Water, Cantharellus Cibarius (Chanterelle) Extract, Cetearyl Alcohol, Distearoylethyl Dimonium Chloride, Glycerin, PCA Glyceryl Oleate, Sodium PCA, Urtica Dioica (Nettle) Leaf Extract, Zinc PCA, Tocopherol, Parfum/Fragrance, Caffeine, Guar Hydroxypropyltrimonium Chloride, Benzyl Alcohol, Sodium Benzoate, Cocos Nucifera (Coconut) Oil, Persea Gratissima (Avocado) Oil, Prunus Amygdalus Dulcis (Sweet Almond) Oil, Potassium Sorbate, Mentha Piperita Oil, Hydrolyzed Keratin, Rosmarinus Officinalis Leaf Oil, Lactic Acid, Leuconostoc/Radish Root Ferment Filtrate, Menthol, Limonene, Camphor, Citrus Aurantium Bergamia Peel Oil, Pinene
The ingredient list printed on your product’s packaging is always definitive; where it differs from this page, the packaging prevails.
After shampooing, apply a small amount to wet hair from mid-lengths to ends, avoiding the scalp roots to preserve volume at the base. Massage gently and leave for 1 to 2 minutes, then rinse thoroughly. Suitable for daily use across fine-to-medium hair types.
The formula is 98% natural origin and 7% organic origin. This product is not considered vegan because it contains keratin derived from sheep wool. While the keratin is ethically sourced and cruelty-free, it is still an animal-derived ingredient, which means it does not meet the strict definition of vegan products. Fragrance allergens are disclosed above the 0.01% rinse-off labelling threshold: Parfum, Menthol, Limonene, Camphor, Pinene, plus Peppermint and Bergamot essential oil constituents. The Peppermint Oil and Menthol contribute a brief cooling sensation during the rinse window. Patch test recommended for first use. Avoid contact with eyes. Rinse with water if any product enters the eye.
- Herman A, Herman AP. Caffeine's mechanisms of action and its cosmetic use. Skin Pharmacology and Physiology. 2013;26(1):8-14. DOI 10.1159/000343174. PubMed PMID 23075568.
- Fiume MM, Bergfeld WF, Belsito DV, et al. Safety Assessment of Rosmarinus officinalis (Rosemary)-Derived Ingredients as Used in Cosmetics. International Journal of Toxicology. 2018;37(3 Suppl):12S-50S. DOI 10.1177/1091581818800020.
How to cite this product page: Opuliss. Volume Conditioner. Opuliss Skin product page. 2026. https://opuliss.com/products/keratin-volume-boost-conditioner
The Science
Fuller-hair zoneRosemary (Rosmarinus Officinalis) oil is studied in cosmetics for supporting the look of a healthy scalp and the appearance of thicker, fuller-looking hair.
Source: Patel MN, et al. Cureus, 2025 (PMID 40656290).
INSIDE THE SCIENCE
From precision-fermented actives to biomimetic complexes, discover what makes it Opuliss.
CHANTERELLE
Chanterelle mushroom extract that contributes antioxidant phytochemicals and conditions the skin.
Source: Que Y, et al. Food Chemistry, 2025 (PMID 40347812).
KERATIN
Reinforces and smooths the look of hair for strength and shine.
Source: Fan J, et al. Molecules, 2025 (PMID 40076404).
NETTLE
Helps clarify and balance the scalp and skin.
Source: EU CosIng listed function.
HOW TO USE
After shampooing, apply a small amount to wet hair from mid-lengths to ends, avoiding the scalp roots to preserve volume at the base.
Massage gently and leave for 1 to 2 minutes, then rinse thoroughly.
Suitable for daily use across fine-to-medium hair types.
The Opuliss difference
SCIENCE, MADE VISIBLE
Opuliss begins where the research ends. Every active is named, every claim is traceable, and nothing is left to promise alone.
Morning to night
A RITUAL, CONSIDERED
Each formula stands on its own and belongs to the whole. Layered with intention, morning and night, the routine becomes unmistakably yours.
A twenty four hour rhythm
THE SKIN KEEPS TIME
Skin is not the same at midnight as it is at nine in the morning. Across a single day its temperature, its acidity and the moisture it loses to the air each move on a rhythm of their own. Morning and night are not two routines. They are one, kept in time.
Yosipovitch G et al. Journal of Investigative Dermatology, 1998 (PMID 9424081). Sixteen volunteers sampled every two hours across a twenty four hour span.
