WATERCRESS BOTANICAL SERUM
A lightweight 30 ml face serum led by Multi-Weight Hyaluronic Acid, a humectant that pairs surface-hydrating and stratum-corneum molecular weights to layer moisture where skin needs it. A Sunflower Seed Oil base conditions and comforts, while Watercress and Elder Fruit Extract add an antioxidant botanical layer. The fluid absorbs quickly and leaves skin visibly hydrated, smooth, and supple.
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.
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Formulated for Anti-Aging and Dry Skin.
- Multi-Weight Hyaluronic Acid (Hydrolyzed Hyaluronic Acid plus Sodium Hyaluronate), a humectant, pairs surface-hydrating and stratum-corneum molecular weights for layered moisture1.
- Helianthus Annuus (Sunflower) Seed Oil, an emollient plant oil, conditions and comforts the surface.
- Nasturtium Officinale (Watercress) Flower/Leaf Extract, an antioxidant botanical, and Sambucus Nigra (Elder) Fruit Extract, an anthocyanin polyphenol, support the appearance of resilient skin2.
Hero mechanism: Multi-Weight Hyaluronic Acid, a humectant, pairs molecular weights for surface and stratum-corneum hydration. Full mechanism and citations under Details and references.
The Opuliss Skin Watercress Botanical Serum is a 30 ml / 1.01 fl oz lightweight face serum built on a three-active stack of Multi-Weight Hyaluronic Acid, Nasturtium Officinale (Watercress) Flower/Leaf Extract, and Sambucus Nigra (Elder) Fruit Extract, in a Sunflower Seed Oil and Glycerin base. The formula is 100% natural origin, 23% organic origin, and vegan eligible.
Aqua, Glycerin, Caprylic/Capric Triglyceride, Helianthus Annuus (Sunflower) Seed Oil, Pentylene Glycol, Cetearyl Alcohol, Glyceryl Stearate Citrate, Sodium PCA, Cellulose, Parfum, Hydrolyzed Hyaluronic Acid, Xanthan Gum, Glyceryl Caprylate, Nasturtium Officinale (Watercress) Flower/Leaf Extract, Sambucus Nigra (Elder) Fruit Extract, Ascorbyl Palmitate, Sodium Hyaluronate, Sodium Phytate, Potassium Hydroxide, Linalool, Geraniol, Citronellol.
Active ingredients: Multi-Weight Hyaluronic Acid (Hydrolyzed Hyaluronic Acid plus Sodium Hyaluronate), a humectant; Nasturtium Officinale (Watercress) Flower/Leaf Extract, an antioxidant botanical; Sambucus Nigra (Elder) Fruit Extract, an anthocyanin polyphenol.
Aqua, Glycerin, Caprylic/Capric Triglyceride, Helianthus Annuus (Sunflower) Seed Oil, Pentylene Glycol, Cetearyl Alcohol, Glyceryl Stearate Citrate, Sodium PCA, Cellulose, Parfum, Hydrolyzed Hyaluronic Acid, Xanthan Gum, Glyceryl Caprylate, Nasturtium Officinale (Watercress) Flower/Leaf Extract, Sambucus Nigra (Elder) Fruit Extract, Ascorbyl Palmitate, Sodium Hyaluronate, Sodium Phytate, Potassium Hydroxide, Linalool, Geraniol, Citronellol
The ingredient list printed on your product’s packaging is always definitive; where it differs from this page, the packaging prevails.
Apply two to three drops to clean skin morning and evening, after toner and before moisturiser. The lightweight serum absorbs quickly and layers compatibly under any leave-on actives or moisturiser.
100% natural origin, 23% organic origin, vegan eligible. Contains naturally occurring fragrance allergens (Linalool, Geraniol, Citronellol). The Watercress (Nasturtium Officinale) botanical is sourced against a supplier heavy-metal certificate of analysis. Patch test on the inner forearm for 24 hours before facial use.
- Pavicic T, Gauglitz GG, Lersch P, et al. Efficacy of cream-based novel formulations of hyaluronic acid of different molecular weights in anti-wrinkle treatment. Journal of Drugs in Dermatology. 2011;10(9):990-1000. PubMed PMID 22052267.
- Klimek-Szczykutowicz M, Szopa A, Ekiert H. Watercress (Nasturtium officinale) phytochemistry, pharmacology, and cosmetic applications: a comprehensive review. Phytochemistry Reviews. 2025;24(1):185-216. DOI 10.1007/s11101-024-09965-9.
How to cite this product page: Opuliss. Watercress Botanical Serum. Opuliss Skin product page. 2026. https://opuliss.com/products/youthful-glow-serum
The Science
Watercress (Nasturtium Officinale) is a botanical studied in cosmetics for its soothing, protective properties, helping keep skin looking calm and fresh against daily environmental stress.
Source: Sadeghi H, et al. Pharmaceutical Biology, 2013 (PMID 24160746).
INSIDE THE SCIENCE
From precision-fermented actives to biomimetic complexes, discover what makes it Opuliss.
WATERCRESS
Antioxidant-rich botanical that helps calm and comfort skin exposed to environmental stress.
Source: Camponogara C, et al. Journal of Ethnopharmacology, 2019 (PMID 30339978).
ELDERBERRY
Antioxidant-rich elderberry that helps protect against environmental stress.
Source: Liu D, et al. Journal of Agricultural and Food Chemistry, 2022 (PMID 35348337).
MULTI-WEIGHT HYALURONIC ACID
Holds water across several depths of the skin surface for visible plumping and lasting hydration.
Source: Pavicic T, et al. Journal of Drugs in Dermatology, 2011 (PMID 22052267).
HOW TO USE
Apply two to three drops to clean skin morning and evening, after toner and before moisturiser.
The lightweight serum absorbs quickly and layers compatibly under any leave-on actives or moisturiser.
THE TEXTURE
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.
