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See fuller-looking, more resilient hair every time you shampoo.
Thoroughly cleanses scalp without leaving hair feeling rough or stripped.
Helps reduce breakage so hair feels stronger and more supported.
Light, fresh sensation that makes hair easier to style and manage.
Description
Nioxin Age Defense Shampoo is an anti-ageing cleanser that helps protect thinning, fragile hair. Formulated with skincare-inspired ingredients, it gently lifts away impurities, excess sebum and product build-up from the scalp while respecting the hair’s natural balance.
The lightweight gel texture creates a soft, refreshing lather that leaves the scalp feeling clean and comfortable, not tight or stripped. Hair feels smoother from root to tip, with less roughness and fewer tangles, so it’s easier to style. Ideal for those noticing early signs of hair ageing, such as thinning, dryness or loss of resilience, this shampoo is perfect for daily use. With regular use, hair looks fuller, feels stronger and appears more youthful, helping you enjoy a fresher, more confident look every day.
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Directions
How To Use Nioxin Age Defense Shampoo
Apply to wet hair and scalp.
Gently massage into scalp for 1–2 minutes, working through lengths.
Rinse thoroughly.
Repeat if needed.
Follow with your preferred Nioxin conditioner or treatment.
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.
Sodium Laureth SulfateCleansers / surfactants
Cleanser
Helps cleanse the hair and scalp by removing oil, sweat and product build-up.
May suit
Oily scalps, heavy product users and people who like a strong cleanse.
Worth knowing
May feel too cleansing for some dry, curly, colour-treated or sensitive hair types. This depends on the full formula and your hair needs.
Cocamidopropyl BetaineCleansers / surfactants
Cleanser / foam booster
A milder co-surfactant that helps cleanse, boost foam and soften the feel of stronger cleansers.
May suit
Most hair types, including those wanting a gentler wash.
Worth knowing
Often paired with other surfactants to make a formula feel milder.
Sodium Lauryl SulfateCleansers / surfactants
Cleanser
A cleansing surfactant that removes oil and build-up from the hair and scalp.
May suit
Oily scalps and routines that need a strong, clarifying wash.
Worth knowing
Can be more cleansing than gentler surfactants. Many people use it happily, while others prefer milder options for everyday washing.
Sodium ChlorideThickeners and stabilisers
Viscosity adjuster
Sodium Chloride is used to adjust the thickness of shampoos and other cleansing formulas.
May suit
Those interested in how a product’s texture and lather are achieved.
Worth knowing
It is a simple mineral salt that helps create a familiar shampoo feel and can influence how a cleanser spreads through the hair.
Glycol DistearateThickeners and stabilisers
Opacifier and pearlising agent
Adds a pearlescent look and helps thicken and stabilise shampoos and conditioners.
May suit
Those who like creamy, luxurious-feeling shampoo or conditioner textures.
Worth knowing
It also provides a mild conditioning feel, helping formulas spread smoothly through the hair. Its use is common in many everyday cleansing products.
DimethiconeSilicones
Slip and shine agent
Smooths the hair surface, adds slip and shine and helps reduce frizz.
May suit
Frizz-prone, coarse or dry hair wanting a smooth, glossy finish.
Worth knowing
Some people prefer silicone-free formulas, especially for certain curl routines. It is widely used and helpful in many smoothing products.
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.
Cocamide MEACleansers / surfactants
Foam booster / co-surfactant
Helps boost lather and support cleansing performance in shampoos.
May suit
Those who prefer shampoos with a richer, creamier foam.
Worth knowing
It is made from fatty acids derived from coconut oil and monoethanolamine and is commonly used to stabilise foam and improve texture. It can also help thicken surfactant-based formulas.
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.
Sodium XylenesulfonateCleansers / surfactants
Hydrotrope / surfactant helper
Helps dissolve and stabilise cleansing ingredients so formulas stay uniform and effective.
May suit
People using shampoos or cleansers that need a consistent texture and even distribution.
Worth knowing
It is commonly used as a hydrotrope, meaning it helps surfactants blend smoothly and maintain the right viscosity. It does not typically contribute strong cleansing on its own.
Sodium HydroxidepH adjusters
pH adjuster
Helps control and stabilise the pH of haircare formulations.
May suit
Those interested in how product pH affects scalp comfort or hair cuticle behaviour.
Worth knowing
It 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.
Polyquaternium-10Conditioning agents
Conditioning agent
A conditioning polymer that smooths the hair surface and helps with detangling and feel.
May suit
Most hair types wanting smoother, easier-to-manage hair.
Worth knowing
Widely used in shampoos and conditioners for slip and softness.
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.
A conditioning polymer that helps smooth hair and improve slip.
May suit
Those looking for softer, easier-to-detangle hair.
Worth knowing
It is derived from guar gum and is commonly used to enhance conditioning in shampoos and conditioners. It can also reduce static and improve manageability.
PEG-45MThickeners and stabilisers
Thickener / stabiliser
A high‑molecular‑weight polymer used to thicken and stabilise haircare formulations.
May suit
Those who prefer products with a smoother, more luxurious texture that stays consistent over time.
Worth knowing
It helps improve product feel without contributing weight to the hair. Commonly used in gels, conditioners and styling products for improved spreadability and performance.
MentholAnti-dandruff / scalp care
Cooling and soothing agent
Provides a cooling sensation and helps refresh the scalp.
May suit
People who enjoy a cooling effect or want products that help soothe a tired or congested scalp.
Worth knowing
Menthol is often included in shampoos and scalp treatments for its sensory feel and refreshing aroma. It can enhance the perception of cleanliness and comfort during use.
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.
Hexyl CinnamalFragrance ingredients
Fragrance component
A fragrance ingredient used to give products a light, floral scent.
May suit
Those who enjoy subtly scented haircare products.
Worth knowing
It is one of the fragrance components that must be listed separately when present above certain levels. People with known fragrance sensitivities may choose to monitor for it.
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.
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.
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.
Provides a cooling, refreshing effect and adds natural aroma to haircare products.
May suit
Those who enjoy invigorating, minty formulas or products designed to refresh the scalp.
Worth knowing
Peppermint oil is commonly used in small amounts for its sensory benefits and perceived scalp‑refreshing qualities. As with many essential oils, sensitivity varies between individuals.
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.
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.
BiotinAnti-dandruff / scalp care
Scalp-supporting vitamin
Biotin is a B‑vitamin used in haircare to support the condition of the scalp and hair fibre.
May suit
Those looking for formulas that help maintain a healthy-feeling scalp or the appearance of stronger hair.
Worth knowing
In topical products it is used in small amounts to complement other strengthening or scalp-care ingredients. Its effects are supportive rather than dramatic on its own.
MethylchloroisothiazolinonePreservatives
Preservative
A preservative that helps keep water-based haircare products fresh and stable.
May suit
Those looking for products with robust preservation, particularly in rinse-off formulas.
Worth knowing
It is widely used in small amounts to protect formulas from microbial growth. Some people with sensitive skin or scalps may prefer to patch test products containing isothiazolinone preservatives.
MethylisothiazolinonePreservatives
Preservative
A preservative that helps keep water-based haircare products fresh and stable.
May suit
Those needing products with reliable protection against product spoilage.
Worth knowing
It is effective in very small amounts to support product longevity. Some people with sensitive skin or scalps may prefer to patch test products containing this preservative.