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Delivery
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Click & Collect
Free Click and collect is available at checkout. Orders are ready within 1 hour during opening hours. Store Address: 56 Parer Rd, Airport West, VIC Australia 3042 Phone (03) 9999 5902
Harness the exceptional power of Medik8's C-TETRA® Cream, a luxurious and nourishing formula that brings together the best of science and nature. This silky antioxidant cream, infused with 100% stable vitamin C and vitamin E, offers ultimate protection against environmental stressors such as pollution and UV exposure, which contribute to premature skin ageing. Say goodbye to dull and lacklustre skin as this cream shields and fortifies your complexion, ensuring a radiant and youthful appearance that stands the test of time.
Experience the transformative results of C-TETRA® Cream as it energises and deeply hydrates your skin, leaving you with a bright and dewy complexion that exudes vitality. The advanced formula, which is full of tetrahexyldecyl ascorbate, a lipid-soluble form of vitamin C, easily absorbs into the skin and protects against free radicals without causing much irritation. This fast-absorbing cream not only improves uneven skin tone but also works tirelessly to restore radiance and maintain skin health. Immerse yourself in the refreshing natural citrous notes that uplift your senses, while the cream works wonders to rejuvenate your skin from within.
KEY INGREDIENTS:
- Tetrahexyldecyl Ascorbate, a lipid-soluble form of vitamin C, provides exceptional antioxidant protection from harmful free radicals for a youthful-looking complexion.
- Vitamin E is A lipid-soluble antioxidant that is naturally present in the skin. Vitamin E protects the skin from free radicals and is regenerated by vitamin C for optimum power.
- Hyaluronic Acid: With a unique ability to attract and retain more than 1,000 times its own weight in water, hyaluronic acid draws moisture from the surrounding atmosphere into the skin, leaving the complexion both nourished and supple.
- Moisture Magnets: Medik8’s signature hydration binds to skin cells and grabs onto the water to lock moisture in tight where it is needed the most.
How To Use Medik8 C-Tetra Cream
After cleansing in the morning, massage a small amount across the face, neck and décolletage. Follow with sun protection.
Medik8 C-Tetra Cream Ingredients
Aqua (Water), Heptyl Undecylenate, Caprylic/Capric Triglyceride, Tetrahexyldecyl Ascorbate, Methylpropanediol, Cetearyl Olivate, Cetearyl Isononanoate, Distarch Phosphate, Tocopheryl Acetate, Sodium Polyacrylate, Sorbitan Olivate, Sodium Hyaluronate, Caprylyl Glycol, Glycerin, Disodium EDTA, Phenylpropanol, Citrus Grandis (Grapefruit) Peel Oil, Citrus Limon (Lemon) Peel Oil, Citrus Aurantium Bergamia (Bergamot) Fruit Oil, Pelargonium Graveolens (Geranium) Flower Oil, Sodium Hydroxide, Limonene, Citronellol, Linalool, Geraniol, Citral.
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Aqua SolventsSolvent
The water base that carries and dissolves the other ingredients in most products.
May suitAll hair and skin types.
Worth knowingAlmost always the first ingredient listed in water-based products.
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Heptyl Undecylenate Conditioning agentsLightweight emollient
A plant-derived emollient that adds slip and softness without weight.
May suitThose wanting a smooth, conditioned feel without heavy silicones.
Worth knowingIt is often used as a biodegradable alternative to some traditional emollients and helps improve spreadability in formulations. It can contribute to a lighter, silkier texture in hair products.
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Caprylic/Capric Triglyceride Oils and buttersLightweight emollient
A lightweight emollient that helps soften and smooth the hair without heaviness.
May suitThose wanting conditioning benefits that do not weigh hair down, including fine or easily-greasy hair types.
Worth knowingIt is commonly derived from coconut oil and glycerin and is valued for its silky, non-greasy feel. It is widely used in both skincare and haircare for its gentle, versatile performance.
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Tetrahexyldecyl Ascorbate Oils and buttersOil‑soluble vitamin C derivative
An oil‑soluble form of vitamin C that supports antioxidant protection in hair and scalp formulas.
May suitThose interested in colour protection, scalp care, or antioxidant‑rich treatments.
Worth knowingIts oil‑soluble nature allows it to blend easily into richer haircare textures and remain stable in formulations. It is used at low levels to help support overall formula performance rather than provide a dramatic standalone effect.
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Methylpropanediol HumectantsHumectant and solvent
Helps attract and hold moisture while improving the spreadability of a formula.
May suitThose wanting lightweight hydration without heaviness in styling or care products.
Worth knowingIt also acts as a solvent that helps other ingredients disperse evenly in a formula. Its light texture makes it suitable for a wide range of haircare products.
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Cetearyl Olivate Conditioning agentsConditioning emulsifier
Helps condition the hair and create smooth, creamy product textures.
May suitThose looking for softer, more manageable hair or products with a creamy, stable texture.
Worth knowingIt is derived from olive oil and is commonly paired with Sorbitan Olivate to form a gentle, stable emulsifying system. It supports both product texture and hair feel without weighing hair down.
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Cetearyl Isononanoate Conditioning agentsEmollient and conditioning agent
An emollient ester that helps soften and smooth the hair.
May suitThose looking for added slip, softness, and ease of detangling in hair products.
Worth knowingIt is commonly used to improve spreadability and give a light, non-greasy feel to formulations. It can also enhance the performance of conditioners and styling products.
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Tocopheryl Acetate Conditioning agentsAntioxidant and conditioning support
A stable form of vitamin E used to help condition hair and support product stability.
May suitThose looking for added conditioning support or antioxidant benefits in their haircare.
Worth knowingIt is commonly used because it is more stable than pure vitamin E while still offering similar benefits. It appears in many leave-in and rinse-off formulations.
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Sodium Polyacrylate Thickeners and stabilisersThickener and stabiliser
A synthetic polymer used to thicken, stabilise and improve the texture of haircare formulations.
May suitThose who prefer products with a smoother, more consistent texture or enhanced spreadability.
Worth knowingIt helps formulas stay uniform and can also provide light film-forming benefits that support styling performance.
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Sorbitan Olivate Conditioning agentsEmulsifier and conditioning agent
Helps blend oil and water in formulas while adding light conditioning to the hair.
May suitThose wanting gentle, lightweight conditioning in creams, conditioners or styling products.
Worth knowingIt is derived from sorbitol and olive oil components and is commonly used to create smooth, stable emulsions. It is valued for its mildness and compatibility with many hair types.
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Sodium Hyaluronate HumectantsHydrating humectant
Draws moisture into the hair and helps maintain hydration.
May suitThose with dry, dehydrated or coarse hair seeking added softness and moisture retention.
Worth knowingIt is the salt form of hyaluronic acid and is widely used because it can hold many times its weight in water. In haircare, it helps support smoother, more manageable strands without adding heaviness.
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Caprylyl Glycol HumectantsHumectant
Helps attract and hold moisture in hair and scalp while supporting product stability.
May suitThose looking for added hydration or smoother-feeling hair.
Worth knowingIt is also commonly used as a preservative booster to help maintain formula freshness. It is well tolerated in most haircare products.
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Glycerin HumectantsHumectant
Attracts and holds water to help hair feel hydrated and soft.
May suitDry or dehydrated hair, and many curl and moisture routines.
Worth knowingA very common, well-tolerated humectant used across countless products.
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Disodium EDTA Chelating agentsChelating agent
Binds to minerals from hard water so the product works consistently and stays stable.
May suitAll products, especially in hard-water areas.
Worth knowingUsed in tiny amounts to keep formulas performing reliably.
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Phenylpropanol PreservativesPreservative booster
Helps support preservation systems and maintain product freshness.
May suitThose interested in products with modern, gentle preservation systems.
Worth knowingIt is often used alongside other preservation ingredients to enhance their effectiveness without affecting texture or fragrance. It is commonly found in both rinse-off and leave-in formulas.
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Citrus Grandis (Grapefruit) Peel Oil Fragrance ingredientsFragrance oil
Provides a fresh citrus scent and light aromatic qualities in haircare products.
May suitThose who enjoy naturally derived citrus fragrances in their haircare routine.
Worth knowingAs a citrus essential oil, it is mainly used for its aroma and may also offer a refreshing sensory experience. Like many essential oils, it is used in small amounts within balanced formulas.
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Citrus Limon (Lemon) Peel Oil Fragrance ingredientsFragrant plant oil
A lemon-derived essential oil used to add a fresh, citrus scent to haircare products.
May suitThose who enjoy naturally derived citrus fragrances in their hair products.
Worth knowingLike many essential oils, it can also contribute light aromatic or sensory benefits beyond scent. Its natural composition includes common fragrance components, which may be relevant for people monitoring fragrance use.
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Citrus Aurantium Bergamia (Bergamot) Fruit Oil Fragrance ingredientsFragrance oil
Provides a fresh citrus aroma and can add a light conditioning feel to hair products.
May suitThose who enjoy naturally derived citrus scents in their haircare.
Worth knowingAs an essential oil, its scent profile comes from naturally occurring aromatic compounds. It is used at low levels to enhance the sensory experience of a formula.
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Pelargonium Graveolens Flower Oil Fragrance ingredientsFragrant plant oil
Adds a floral, uplifting scent to haircare products and may offer light botanical conditioning benefits.
May suitThose who enjoy naturally derived floral fragrances in their haircare.
Worth knowingAs a botanical essential oil, its scent profile can vary slightly from batch to batch. It is commonly used in both skincare and haircare for its pleasant aroma.
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Sodium Hydroxide pH adjusterspH adjuster
Helps control and stabilise the pH of haircare formulations.
May suitThose interested in how product pH affects scalp comfort or hair cuticle behaviour.
Worth knowingIt is used in very small amounts to bring a formula to the desired pH range. Once adjusted, it does not act as a strong alkaline agent in the finished product.
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Limonene Fragrance ingredientsFragrance component
A fragrance component that also occurs naturally in many citrus and plant oils.
Worth knowingA fragrance component that must be listed separately on labels because a minority of people can be sensitive to it. Its presence is normal, required disclosure and is not a quality signal.
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Citronellol Fragrance ingredientsFragrance component
A fragrance component with a soft floral, rose-like character.
Worth knowingA fragrance component that must be listed separately on labels because a minority of people can be sensitive to it. Its presence is normal, required disclosure and is not a quality signal.
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Linalool Fragrance ingredientsFragrance component
A fragrance component found naturally in many flowers and spices.
Worth knowingA fragrance component that must be listed separately on labels because a minority of people can be sensitive to it. Its presence is normal, required disclosure and is not a quality signal.
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Geraniol Fragrance ingredientsFragrance component
Geraniol is a fragrant compound that adds a light floral note to haircare products.
May suitThose who enjoy floral-scented hair products or are checking for specific fragrance components.
Worth knowingIt is naturally found in essential oils such as rose and geranium and is commonly used to enhance scent profiles. It must be listed on labels when present above certain trace levels.
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Citral Fragrance ingredientsFragrance component
Citral is a fragrance ingredient used to provide a fresh, citrus-like scent.
May suitThose who enjoy citrus-style fragrances or want products with a fresh aromatic profile.
Worth knowingCitral is naturally present in several essential oils and is listed on labels because it is a recognised fragrance allergen. Only small amounts are typically used to adjust or enhance a product’s scent.