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Materia Medica — Gressa Skin
Materia Medica

The
Botanical
Library

Every ingredient, chosen with intention. Every source, traceable.
Our Commitment

At Gressa, we hold the conviction that exceptional results begin with exceptional ingredients — sourced through a carefully selected network of suppliers working directly with farms around the world. These are not relationships of convenience. They are partnerships of discipline, built over time.

Every material we incorporate is meticulously chosen for its nutrient density and therapeutic properties. Our approach draws from nature's ancient pharmacopoeia — medicinal herbs, aromatic resins, mineral salts, healing clays — elevated by the precision of modern cosmetic science to deliver maximum stability, safety, and efficacy.

No compromise in quality. No ingredient without purpose.
I Ethically Sourced

Harvested with integrity from farms we know by name. Supply chains that begin with a handshake, not a catalog.

II Peak Potency

Every botanical selected at the height of its active compound concentration. Timing is not incidental — it is the standard.

III Science-Refined

Ancient plant intelligence, stabilized and delivered by contemporary formulation science. Neither alone is sufficient.


Gressa botanicals Selected botanicals from the Gressa materia medica
Key Ingredients

Featured from
the Library

Rosehip Seed Oil
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Rosa rubiginosa

Rosehip Seed Oil

Packed with Vitamins A, C, and E — a regenerative oil beloved for repairing damaged skin, addressing post-acne scarring, and supporting long-term resilience.

Botanicals · Oils
Calendula
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Calendula officinalis · CO₂ Extract

Calendula CO₂

Carotenoid-rich flower used for centuries to heal and calm irritated skin. Protects from environmental aggressors while preserving visible youth.

Botanicals · CO₂ Extracts
Roman Chamomile
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Anthemis nobilis

Roman Chamomile

The formulator's de-stressor. Quiets visible redness, promotes cell renewal, and leaves the complexion settled and even. Prized for its affinity with sensitive skin.

Botanicals · Essential Oils
Sea Buckthorn
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Hippophae rhamnoides

Sea Buckthorn

The only plant source containing all four omegas simultaneously. Over 200 active nutrients. Replenishes, strengthens, and imparts a vivid luminosity.

Botanicals · Oils
Jojoba Oil
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Simmondsia chinensis

Jojoba Oil

A liquid wax ester — the perfect mimic of the skin's own sebum. Heals, balances, and restores without congesting. A cornerstone of the Gressa oil system.

Botanicals · Wax Esters
Macadamia Oil
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Macadamia integrifolia

Macadamia Oil

Luxuriously rich, yet absorbs quickly. High in palmitoleic acid — restores elasticity, relieves dryness, and leaves no heaviness behind.

Botanicals · Oils
Grapeseed Oil
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Vitis vinifera

Grapeseed Oil

Dense with antioxidant polyphenols, beta carotene, and vitamins D, C, and E. Hydrates while regulating oil production, leaving a refined satin finish.

Botanicals · Oils
Ylang Ylang
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Cananga odorata

Ylang Ylang

Powerful antiseptic and antibacterial properties balanced with a refined floral depth. Keeps skin healthy while lending sensory elegance to treatment blends.

Botanicals · Essential Oils

Complete Reference

The Full
Materia Medica

Ferments · Gums · Actives

Alcohol Grape-Derived

Natural preservative and penetration enhancer. Contributes clarity and longevity to botanical infusions.

Ascorbic Acid Vitamin C

Pure vitamin C for refining and brightening. Energizes the skin and supports renewal.

Glycerin Vegetable-Derived

Classic humectant drawing moisture to the skin's surface. Softens texture and enhances actives.

Honey Ferment Mel Ferment

Nourishment with mild enzymatic activity. Promotes a supple, luminous surface.

Lactic Acid

Gentle AHA from fermented substrates. Refines uneven texture and restores smoothness.

Leuconostoc / Radish Root Ferment

Natural probiotic preservative. Antimicrobial protection with mild hydration.

Magnesium Ascorbyl Phosphate

Stable, water-soluble vitamin C. Antioxidant protection and radiance support over time.

Panthenol Pro-Vitamin B5

Moisture-binding. Leaves skin pliant and calm, supporting barrier comfort.

Sodium Hyaluronate Hyaluronic Acid

Retains many times its weight in water. Immediate plumping and long-term suppleness.

Sodium Cocoyl Glutamate

Mild amino-acid cleanser from coconut and sugar. Soft foam, lipid balance preserved.

Xanthan Gum

Fermentation-derived polysaccharide. Stability and velvety viscosity to emulsions and gels.

Yeast Ferment Filtrate

Bio-actives supplying amino acids, peptides, and natural humectants.

Botanicals · Oils · Butters · Waxes

Broccoli Seed Oil Brassica oleracea

Gressa's hallmark base oil. Light, elegant, breathable — a satin finish that mimics silicone without its weight.

Candelilla Wax Euphorbia cerifera

Vegan structuring wax for balms and color. Clean, dry finish without heaviness.

Marshmallow Root Althaea officinalis

Softening, comforting mucilage. Gives slip and refinement to cleansing preparations.

Roman Chamomile Anthemis nobilis

Quiets visible redness, restores balance. Prized affinity for sensitive skin.

Arnica Arnica montana

Supports skin comfort after stress. Relief and renewal in restorative blends.

Shea Butter Butyrospermum parkii

Rich in stearic and oleic acids. Cushion, smoothness, and long-lasting softness.

Calendula Calendula officinalis

Carotenoid-rich flower. Visible soothing and protective effects.

Immortelle Helichrysum italicum

Associated with renewal and resilience. Dry-herbal warmth and potent aromatic character.

Sea Buckthorn Hippophae rhamnoides

Dense in all four omegas and carotenoids. Replenishes, strengthens, and imparts glow.

Lavender Lavandula angustifolia

Purifying aroma and gentle toning action. An evergreen staple for calm and clarity.

Neroli Citrus aurantium flos

Orange blossom distillate. Serenity and luminous hydration.

Rose Distillate Rosa damascena

Pure hydrosol carrying the floral heart of rose. Tones, soothes, and centers.

Rosehip Seed Oil Rosa rubiginosa

Vitamin-rich, regenerative. Supports renewal and even tone.

Jojoba Oil Simmondsia chinensis

Liquid wax ester mimicking the skin's own sebum. Balances and provides lasting emollience.

Pomegranate Seed Oil Punica granatum

Dense in antioxidants and punicic acid. Promotes a supple, revitalized appearance.

Grapeseed Oil Vitis vinifera

High in linoleic acid. Refines texture and leaves a satin finish.

Turmeric Curcuma longa

Bright golden root for balancing and illuminating the complexion.

Pumpkin Seed Oil Cucurbita pepo

High in zinc and fatty acids. Fortifies the skin's lipid barrier.

Lemon Balm Melissa officinalis

Comforts and refreshes. Part of Gressa's Healing Complex™.

Licorice Root Glycyrrhiza glabra

Harmonizes uneven tone and imparts a soft radiance.

Macadamia Nut Oil Macadamia integrifolia

Rich in palmitoleic acid. Silky, quick-absorbing — restores elasticity.

Cranberry Seed Oil Vaccinium macrocarpon

Balanced omega-3, 6, and 9. Light emollience and antioxidant defense.

Clays · Minerals · Natural Powders

Argile Rouge Red Moroccan Rhassoul Clay

Mineral-rich volcanic clay. Cleanses without stripping, refines, and smooths.

Clay Blend Kaolin, Illite, Montmorillonite

Soft earth minerals drawing impurities and clarifying gently.

Brown Rice Flour

Finely ground for gentle exfoliation and balancing. Soft surface renewal.

Cacao Powder Theobroma cacao

Raw, unroasted — abundant in polyphenols. Subtle stimulation and warmth.

Calcium Carbonate Natural Chalk

Body and mild absorbency in dry preparations. Supports herbal powder polishing.

Coconut Shell Powder

Micronized exfoliant. Smooth mechanical polishing without abrasion.

Rice Bran Powder Oryza sativa

Rich in oryzanol and antioxidants. Refines, illuminates, cushions.

Turmeric Powder Curcuma longa

Brightening and harmonizing golden root. Adds pigment and vitality.

Cinnamon Bark Powder Cinnamomum zeylanicum

Warming and aromatic. Revives the surface and enlivens exfoliation.

Vanilla Bean Powder Vanilla planifolia

Comforting aroma and antioxidant touch.

The Original Botanical House of Beauty™

Every Formula,
Justified

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