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Cosmedix Elite X-Cell+ Brightening Serum is a retinol-infused serum that exfoliates, hydrates, and brightens uneven skin tone.
Formulated with Niacinamide, Waltheria Extract and LG-Retinex (encapsulated Retinol), this advanced serum targets dullness, rough texture, and dark spots for a smoother, more radiant complexion. It gently removes dead skin cells while enhancing moisture retention and improving skin clarity.
Ideal for use before peels, laser treatments or cosmetic procedures, X-Cell+ supports a more even, refreshed skin appearance over time.
Perfect for those targeting pigmentation, texture or age-related changes.
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Directions
How To Use Cosmedix Elite X-Cell+ Brightening Serum
AM - Apply a small amount of X-Cell+ to freshly cleansed and toned face, neck, and décolleté.
PM - Apply a small amount of X-Cell+ to freshly cleansed and toned face, neck, and décolleté.
A plant-derived water used to soothe the scalp and provide a mild astringent effect.
May suit
Those looking for calming or refreshing scalp care benefits.
Worth knowing
Witch hazel water is commonly included in hair and scalp formulas for its gentle toning properties. It can complement other scalp-balancing ingredients.
AlcoholSolvents
Solvent and drying agent
Helps dissolve other ingredients and can aid quick drying in styling products.
May suit
Those using sprays or styling products that benefit from fast evaporation.
Worth knowing
In haircare, this typically refers to ethanol or denatured alcohol, which helps formulas feel lighter and dry faster. Its effect depends on the overall product balance and supporting conditioning ingredients.
AquaSolvents
Solvent
The water base that carries and dissolves the other ingredients in most products.
May suit
All hair and skin types.
Worth knowing
Almost always the first ingredient listed in water-based products.
GlycerinHumectants
Humectant
Attracts and holds water to help hair feel hydrated and soft.
May suit
Dry or dehydrated hair, and many curl and moisture routines.
Worth knowing
A very common, well-tolerated humectant used across countless products.
PropanediolHumectants
Hydrating humectant
Helps attract and hold moisture in hair and supports a smooth, conditioned feel.
May suit
Those wanting lightweight hydration without heaviness.
Worth knowing
It is often used as a gentle alternative to glycol-based humectants and can also help improve product texture and absorption.
Lactic AcidpH adjusters
pH adjuster
Helps adjust and maintain the product’s pH for optimal performance.
May suit
Those looking for formulas that help smooth the cuticle or gently refine the scalp surface.
Worth knowing
Lactic Acid can also provide mild hydrating and smoothing benefits in haircare. Its pH-balancing role helps support product stability and performance.
NiacinamideAnti-dandruff / scalp care
Scalp-supporting vitamin
Niacinamide is a form of vitamin B3 that helps support a balanced scalp environment and improve hair resilience.
May suit
Those looking to support scalp comfort, strengthen hair, or maintain a healthy-looking scalp barrier.
Worth knowing
It is commonly used in both skincare and haircare for its soothing and barrier-supporting properties. It pairs well with many other ingredients and is generally well tolerated.
MannitolHumectants
Moisture-binding agent
Mannitol helps attract and hold moisture to support hair and scalp hydration.
May suit
Those looking for gentle hydration or formulas suited to dry or sensitive scalps.
Worth knowing
It is a sugar alcohol often used to support moisture balance and improve product texture. It can also contribute to overall formula stability.
Ascorbic AcidpH adjusters
pH adjuster / antioxidant
Ascorbic Acid is a form of vitamin C used to help adjust pH and support formula stability.
May suit
People using clarifying or colour-care products may appreciate its ability to support brightness and maintain product performance.
Worth knowing
It can also function as an antioxidant, helping protect formulas from oxidation. Its presence does not typically affect how a product feels or performs on the hair.
RetinolAnti-dandruff / scalp care
Vitamin A derivative
Retinol is a form of vitamin A used in some scalp‑care formulas to support healthy skin renewal.
May suit
People interested in targeted scalp treatments or products aimed at improving scalp texture and turnover.
Worth knowing
Retinol is more common in skincare than haircare, but small amounts may be included in specialised scalp products. It is typically formulated at low levels to help maintain comfort and balance.
RetinaldehydeConditioning agents
Renewing antioxidant
A vitamin A derivative used to support scalp and hair fibre renewal.
May suit
Those interested in targeted scalp-care or antioxidant-focused treatments.
Worth knowing
Retinaldehyde is less common in haircare than in skincare but can be included for its gentle renewing and antioxidant properties. Formulators typically use it in low concentrations to maintain comfort and stability.
Ferulic AcidBotanical extracts
Antioxidant
Ferulic acid is an antioxidant that helps support the stability and performance of haircare formulas.
May suit
Those interested in antioxidant-rich or colour-protecting hair products.
Worth knowing
It is commonly derived from plant sources and is used to help protect formulas from oxidative degradation. Its supportive role can complement other antioxidant ingredients.
Palmaria Palmata ExtractBotanical extracts
Botanical extract
A red algae extract used to support conditioning and help improve the feel of hair and scalp.
May suit
Those looking for plant-based or marine-derived ingredients that may support softness or scalp comfort.
Worth knowing
This extract is valued for its natural minerals and polysaccharides, which can complement hydrating and conditioning formulas. It is commonly included in both hair and skincare products.
PhospholipidsConditioning agents
Hair-conditioning ingredient
Phospholipids help condition the hair and support moisture retention.
May suit
Those looking for softer-feeling hair or products that support moisture balance.
Worth knowing
Phospholipids are naturally occurring lipid molecules that can help improve the feel and manageability of hair. They may also assist with the spreadability and overall performance of a formula.
Glycyrrhiza Glabra Root ExtractBotanical extracts
Soothing botanical extract
A plant extract used for its soothing and calming properties on the scalp.
May suit
Those looking to support a comfortable scalp or reduce the feeling of irritation.
Worth knowing
It is commonly included in scalp‑focused formulas for its naturally calming profile. As with most botanical extracts, its exact benefits can vary depending on concentration and formulation.
BisabololBotanical extracts
Soothing botanical component
Bisabolol is a calming component often used to help soothe the scalp and support comfortable wear of hair products.
May suit
Those with a sensitive or easily irritated scalp may appreciate its calming properties.
Worth knowing
It is commonly derived from chamomile or produced synthetically with similar benefits. It is widely used in both skincare and haircare for its gentle, comforting profile.
TocopherolPreservatives
Antioxidant
An antioxidant that helps support product stability and can provide conditioning benefits to hair.
May suit
Those wanting added nourishment or antioxidant support in their haircare routine.
Worth knowing
Tocopherol is commonly included to help protect oils in a formula from oxidising and to offer light conditioning benefits. It is widely used in both skincare and haircare products.
Camellia Sinensis Leaf ExtractBotanical extracts
Botanical antioxidant extract
A plant extract rich in antioxidants that can help support scalp and hair comfort.
May suit
Those interested in soothing or antioxidant-rich botanical ingredients.
Worth knowing
It is commonly used in haircare for its calming and conditioning properties. Its gentle nature makes it suitable for a wide range of formulations.
Sodium GluconateChelating agents
Chelating agent
Helps bind metal ions in water and formulas to support stability and performance.
May suit
Those living in hard-water areas or using products designed to maintain formula clarity and effectiveness.
Worth knowing
By binding minerals, it can help reduce the impact of hard water on hair feel and product behaviour. It is commonly used in modern, mild formulations.
GluconolactoneHumectants
Humectant
Gluconolactone helps attract and hold moisture in hair and scalp.
May suit
Those seeking gentle hydration or lightweight moisture support.
Worth knowing
It is part of the polyhydroxy acid (PHA) family and is known for being mild and suitable for many hair types. It can also support product stability and texture.
Sodium CitratepH adjusters
pH adjuster
Sodium Citrate helps maintain or adjust the pH of haircare formulas.
May suit
Anyone using products designed to stay within a specific pH range, such as colour‑treated or chemically treated hair.
Worth knowing
It also has mild chelating abilities, helping formulas remain stable in the presence of minerals found in water. Its use supports the consistency and performance of many shampoos and conditioners.
DextrinThickeners and stabilisers
Film-former / texture enhancer
Dextrin helps improve product texture and can provide light hold or structure to hair.
May suit
People looking for gentle styling support or added volume without a heavy feel.
Worth knowing
Dextrin is a carbohydrate-based ingredient commonly derived from starch and is widely used for its versatile thickening and film-forming qualities.
Citric AcidpH adjusters
pH adjuster
Fine-tunes the product pH, which can help the hair surface feel smooth.
May suit
Most hair types as part of a balanced formula.
Worth knowing
Usually present in small amounts to balance the formula.
Xanthan GumThickeners and stabilisers
Thickener and stabiliser
Xanthan Gum helps thicken and stabilise haircare formulas for a smooth, consistent texture.
May suit
People who prefer products with a richer or more gel-like texture.
Worth knowing
It is a polysaccharide widely used in cosmetics to keep formulas uniform and easy to apply. It works well alongside many other common ingredients.
A fermented radish root filtrate used to help keep formulations fresh and stable.
May suit
Those interested in products that use fermentation-derived preservation systems.
Worth knowing
It provides mild antimicrobial activity and is commonly used in modern, gentle preservation blends. Its use does not change how the product performs on the hair.
Tetrasodium EDTAChelating agents
Chelating agent
Helps bind metal ions in water to improve product stability and performance.
May suit
Those in hard-water areas who want shampoos and conditioners to rinse more cleanly.
Worth knowing
Chelating agents can support formula consistency and help prevent minerals from depositing on the hair or interfering with product texture. They are widely used in many rinse-off and leave-in formulations.
PhenoxyethanolPreservatives
Preservative
Helps keep the product stable and pleasant to use after opening.
May suit
All products that need protecting from spoilage.
Worth knowing
A very common, well-studied preservative used at low levels.
EthylhexylglycerinPreservatives
Preservative booster
Helps support the preservation system and can provide mild skin-conditioning benefits.
May suit
Those interested in gentle preservation systems or sensitive scalps may find it relevant.
Worth knowing
It is often paired with other preservatives to improve their effectiveness while allowing for lower usage levels. It also has light moisturising and conditioning properties.
Potassium SorbatePreservatives
Preservative
Helps keep haircare formulas stable by preventing the growth of microbes.
May suit
Anyone who uses water-based products that benefit from reliable preservation.
Worth knowing
It is commonly used alongside other preservation systems to maintain product freshness and extend shelf life. It is generally well tolerated in rinse-off and leave-in products.
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Questions and Answers
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