Shigeru Beauty Ingredient Glossary
This guide lists the key ingredients used in our skin and lash care products, along with their purpose or benefit.
3-O-Ethyl Ascorbic Acid: A stable form of Vitamin C that helps brighten skin, fade dark spots, and support collagen production.
Acetyl Hexapeptide-3: A peptide that minimizes the appearance of fine lines by reducing facial tension—often called "Botox-like."
Acetyl Hexapeptide-8: Helps smooth expression lines and improve skin elasticity.
Alanine: An amino acid that helps balance skin moisture and supports overall skin health.
Allantoin: Soothes, protects, and supports healing in irritated or sensitive skin.
Aloe Barbadensis Leaf Juice: Deeply hydrates and calms redness or inflammation.
Aloe Vera: Moisturizes and aids in skin recovery and healing.
Aloe Yohjyu Matsu Ekisu: Specialized aloe extract known for soothing and anti-inflammatory properties.
Arbutin: Naturally brightens skin and reduces hyperpigmentation by inhibiting melanin.
Arginine: An amino acid that promotes wound healing and boosts collagen production.
Argireline Peptide: Reduces muscle movement to soften wrinkles and fine lines.
Ascorbic Acid (Vitamin C): Brightens skin, supports collagen, and protects against environmental damage.
Aspartic Acid: Supports skin hydration and helps maintain a healthy skin barrier.
Bis(Hydroxymethyl)Imidazolidinyl Urea: Preservative that prevents microbial growth in skincare formulas.
Butanediol1,3: A moisturizing agent that improves skin texture and enhances ingredient absorption.
Butylene Glycol: Attracts moisture to the skin and enhances ingredient absorption.
Carbomer: Stabilizes and thickens skincare formulations for smooth texture.
Carrageenan Gum: Natural thickener that also conditions the skin.
Centella Asiatica Root Extract: Stimulates collagen and soothes irritated skin.
Chrysanthemum Indicum Extract: Provides antioxidant and calming benefits for sensitive skin.
Coconut Oil: Nourishes and moisturizes the skin, though best for dry types.
Collagen: Improves skin elasticity and helps maintain a youthful appearance.
Diazolidinyl Urea: A preservative used to extend shelf life and prevent contamination.
Disodium EDTA: Improves stability and performance of active ingredients.
Elastin Protein: Enhances skin elasticity and resilience.
Ethylhexylglycerin: Preservative booster and skin conditioner with antimicrobial properties.
Glutamic Acid: Helps retain moisture in the skin and supports skin cell regeneration.
Glycerin: A humectant that draws moisture into the skin for deep hydration.
Glycerol: Alternate name for glycerin; hydrates and smooths skin texture.
Gold: Believed to reduce inflammation and enhance skin luminosity.
Green Tea: Rich in antioxidants; protects and soothes stressed skin.
Herbal Infusion: A blend of botanicals offering antioxidant, anti-inflammatory, and soothing benefits.
Histidine: An antioxidant-rich amino acid that soothes and protects the skin.
Hyaluronic Acid: Deeply hydrates and plumps the skin by binding water molecules.
Hydrolyzed Collagen: Smaller collagen peptides that absorb easily and improve skin elasticity.
Hydrolyzed Proanthocyanidins: Potent antioxidants that protect and strengthen skin structure.
Hydrolyzed Sericin: Silk protein that improves hydration and smooths skin texture.
Hydroxyethyl Cellulose: A thickener and stabilizer that enhances product consistency.
Isoleucine: Strengthens the skin barrier and helps maintain firmness and elasticity.
Jojoba Oil: Balances oil production and supports the skin barrier without clogging pores.
Lycium Barbarum (Goji) Fruit Extract: Antioxidant-rich extract that revitalizes and protects the skin.
Lysine: Promotes collagen formation and supports skin healing and firmness.
Matrixyl 3000: A peptide blend that boosts collagen and reduces wrinkle depth.
Mentha Arvensis Extract: Cooling and refreshing; may reduce oiliness and irritation.
Niacinamide (Nicotinamide): Brightens, refines pores, and strengthens the skin barrier.
Nymphaea Coerulea Flower Extract: Also known as blue lotus; hydrates, soothes, and delivers antioxidant benefits.
Olea Europaea (Olive) Fruit Water: Moisturizes and protects with natural antioxidants.
Organic Vegan Hyaluronic Acid (Sodium Hyaluronate): A more absorbable form of HA for deep hydration and plumping.
Palmitoyl Tetrapeptide-7: Reduces inflammation and supports skin repair.
Palmitoyl Tripeptide-1: Stimulates collagen production for firmer skin.
Pelargonium Graveolens Extract (Geranium): Balances skin oil levels and tones the skin.
Pentylene Glycol: Moisturizing agent and preservative enhancer.
Phenoxyethanol: A preservative that protects products from microbial growth.
Phospholipids: Help deliver active ingredients deeper and support the skin barrier.
Plant Amino Acid: Nourish and support skin repair and elasticity.
Polygonum Multiflorum Extract: A traditional Chinese herb known for its antioxidant and anti-aging effects.
Polysorbate 20: Helps mix oil- and water-based ingredients for consistent texture.
Portulaca Oleracea Extract: Soothes irritation and supports healing with antioxidants.
Portulaca Oleracea Flower/Leaf/Stem Extract: A concentrated form that enhances calming and antioxidant effects.
Potassium Phosphate: Helps stabilize product pH and maintain effectiveness.
Potassium Sorbate: A mild preservative that prevents spoilage.
Propolis: Antibacterial and healing; great for acne-prone or sensitive skin.
Propylene Glycol: Hydrates the skin and keeps formulas from drying out.
Purified Water: A clean base ingredient that hydrates and carries active ingredients into the skin.
Retinol: Increases cell turnover, smooths texture, and reduces fine lines and discoloration.
Retinol 2.5% (Vitamin A): A strong concentration for targeted anti-aging and skin renewal.
Rosehip Seed Oil: Rich in vitamins A and C; fades scars and evens tone.
Serine: Helps retain skin moisture and promotes smooth texture.
Sodium Benzoate: Preserves product freshness and prevents microbial growth.
Sodium Hyaluronate: Low-molecular-weight HA that penetrates deeply to hydrate and plump.
Stearic Acid: Softens and protects skin; also used to stabilize formulations.
Sunflower Seed Oil: Moisturizing and rich in vitamin E; helps protect the skin barrier.
Threonine: Supports collagen and elastin production for firm, supple skin.
Tocopherol (Vitamin E): Antioxidant that protects and nourishes the skin.
Trehalose: A sugar that helps retain moisture and protect skin from dehydration.
Tremella Fuciformis Extract: Also known as snow mushroom; hydrates and plumps like hyaluronic acid.
Valine: Helps strengthen the skin’s barrier function and maintain hydration.
Vitamin C (Magnesium Ascorbyl Phosphate): A gentle, stable form of vitamin C that brightens and promotes collagen.
Vitamin E: Antioxidant that moisturizes and protects skin from environmental damage.
Vitamin E (Tocopheryl Acetate): A stable form of vitamin E that provides the same antioxidant benefits.
Water: Base of most skincare formulas; hydrates and helps dissolve other ingredients.
Wheat Germ Oil: Rich in vitamins and essential fatty acids; nourishes and repairs skin.
Witch Hazel: Tones skin, tightens pores, and reduces inflammation and oiliness.