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Turn an ageing, stressed scalp into a calmer, fuller-looking canvas.
Lightweight serum disappears into the scalp, no greasy roots.
Helps support fuller-looking hair as density changes with age.
Leaves scalp feeling refreshed, comfortable and easier to care for.
Description
Nioxin Age Defence Serum is a leave-on scalp treatment that helps support ageing hair and scalp. With regular use, it helps create a fresher, more balanced scalp environment so hair can look denser and fuller over time.
The lightweight, non-greasy serum absorbs quickly without weighing hair down or leaving residue at the roots. Designed for mature or thinning hair, it can be used daily, morning or night, on dry or towel-dried hair. A soothing blend of antioxidants and caring ingredients helps protect the scalp from oxidative stress while leaving it feeling comfortable and refreshed. Hair feels easier to style, with the scalp looking calmer and healthier. Ideal for anyone noticing changes in density, texture, or comfort as their hair and scalp age.
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Directions
How To Use Nioxin Age Defence Serum
Apply to clean, dry or towel-dried scalp, parting hair as you go.
Ingredients
Nioxin Age Defence Serum Ingredients
Aqua/Water/Eau, Glycerin, Alcohol Denat., Propanediol, Panthenol, Niacinamide, Menthol, Tocopherol, Tocopheryl Acetate, Caffeine, Biotin, Camellia Sinensis Leaf Extract, Disodium EDTA, PEG-40 Hydrogenated Castor Oil, Acrylates/C10-30 Alkyl Acrylate Crosspolymer, Aminomethyl Propanol, Sodium Benzoate, Potassium Sorbate, Phenoxyethanol, Parfum/Fragrance, Limonene, Linalool, Citral, Geraniol.
(Ingredient list may vary slightly by region; always check product packaging for the most accurate information.)
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.
Alcohol Denat.Solvents
Solvent
A fast-evaporating solvent that helps dissolve ingredients and improve product dry time.
May suit
People who use styling products that benefit from quick drying or a lightweight feel.
Worth knowing
Its quick evaporation can help reduce residue and support a clean finish in styling formulas. Some may notice it can feel slightly drying in leave-in products depending on hair type.
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.
PanthenolConditioning agents
Conditioning agent
Helps condition, soften and add a smooth, healthy feel to the hair.
May suit
Most hair types, especially dry or dull hair.
Worth knowing
A versatile, well-tolerated conditioning ingredient.
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.
Tocopheryl AcetateConditioning agents
Antioxidant and conditioning support
A stable form of vitamin E used to help condition hair and support product stability.
May suit
Those looking for added conditioning support or antioxidant benefits in their haircare.
Worth knowing
It 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.
Disodium EDTAChelating agents
Chelating agent
Binds to minerals from hard water so the product works consistently and stays stable.
May suit
All products, especially in hard-water areas.
Worth knowing
Used in tiny amounts to keep formulas performing reliably.
Helps blend oils and fragrance into water-based formulas for even texture and performance.
May suit
Useful for those who prefer haircare products with clear, consistent textures or evenly dispersed fragrance and oils.
Worth knowing
It is widely used in shampoos, conditioners and styling products to keep formulations stable and smooth. It also offers mild surfactant properties that support product rinse-off.
Aminomethyl PropanolpH adjusters
pH adjuster
Helps adjust and stabilise the pH of haircare formulations.
May suit
Those interested in how product pH affects hair and scalp feel may find its presence relevant.
Worth knowing
It is commonly used at low levels to help formulas stay effective and consistent. It does not act on the hair directly but supports the overall product performance.
Sodium BenzoatePreservatives
Preservative
Helps protect water-based products from spoilage so they stay usable.
May suit
All products that need a preservative system.
Worth knowing
Often paired with other preservatives for broad protection.
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.
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.
LimoneneFragrance ingredients
Fragrance component
A fragrance component that also occurs naturally in many citrus and plant oils.
Worth knowing
A 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.
LinaloolFragrance ingredients
Fragrance component
A fragrance component found naturally in many flowers and spices.
Worth knowing
A 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.
CitralFragrance ingredients
Fragrance component
Citral is a fragrance ingredient used to provide a fresh, citrus-like scent.
May suit
Those who enjoy citrus-style fragrances or want products with a fresh aromatic profile.
Worth knowing
Citral 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.
GeraniolFragrance ingredients
Fragrance component
Geraniol is a fragrant compound that adds a light floral note to haircare products.
May suit
Those who enjoy floral-scented hair products or are checking for specific fragrance components.
Worth knowing
It 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.
