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Creates an optimum scalp environment to support healthy hair growth
Description
Philip Kingsley Density Thickening Shampoo enhances hair health and thickness for fine, fragile, or thinning hair.
This advanced shampoo uses Hyper-Branched Polymers and Hydrolyzed Pea Peptides to add instant volume while maintaining moisture. Its sulfate-free formula strengthens hair deep within the cortex and gently exfoliates the scalp with BHAs, creating a healthier environment for hair growth and reducing breakage. Ideal for those experiencing hair thinning or hair prone to breakage, this shampoo leaves strands looking thicker and feeling stronger with every wash.
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Directions
How To Use Philip Kingsley Density Thickening Shampoo
Apply to wet hair, gently kneading the scalp for 60 seconds.
Add more water to create a lather.
Rinse well and repeat if necessary.
Ingredients
Philip Kingsley Density Thickening Shampoo Ingredients
A strong, high‑foaming surfactant that helps lift away oil, dirt and product build-up.
May suit
Those who prefer a deep‑cleaning or clarifying effect, especially in shampoos.
Worth knowing
It is often used in clarifying formulas because it creates a rich lather and provides an effective cleanse. Its intensity can feel more cleansing than milder surfactants, depending on hair type and formulation.
Salicylic AcidExfoliating acids
Scalp exfoliant
Helps dissolve dead skin buildup on the scalp and supports a clearer, fresher surface.
May suit
People dealing with flaky scalps, congestion or product buildup.
Worth knowing
It is widely used in scalp-care formulas because it breaks down excess oils and debris without needing physical scrubbing. Often found in dandruff-control products.
Pisum Sativum PeptideProteins and amino acids
Plant-derived peptide
A plant-derived peptide used to help support hair strength and improve the feel of damaged strands.
May suit
Those looking to enhance hair resilience, smoothness or support the look of chemically treated or weakened hair.
Worth knowing
Pea peptides are commonly included in modern haircare to offer lightweight conditioning and a soft, fortified feel. They are valued for providing some of the benefits of proteins without heavy buildup.
A gentle, coconut‑derived surfactant that helps cleanse hair and create a soft lather.
May suit
Those looking for a mild cleansing option that supports a gentle shampoo feel.
Worth knowing
It is often used to provide a balanced cleanse without leaving hair feeling stripped. Its texture and lather profile make it popular in modern, gentle shampoo formulas.
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.
Sodium Lauroyl SarcosinateCleansers / surfactants
Mild surfactant
A gentle cleansing agent that helps lift away oils and impurities.
May suit
People looking for mild, low-foaming cleansers that are generally considered suitable for sensitive or dry hair types.
Worth knowing
It is often used as an alternative to stronger surfactants to create a softer, more conditioning lather. It can also support formula stability and mildness in blended surfactant systems.
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.
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.
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.
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.
ParfumFragrance ingredients
Fragrance
Gives the product its scent.
May suit
People who enjoy a scented product.
Worth knowing
Fragrance preference is personal. Some people prefer fragrance-free formulas by choice.
Coconut AcidCleansers / surfactants
Cleansing surfactant
Coconut Acid is a fatty acid blend derived from coconut oil that helps create mild cleansing and foaming in haircare products.
May suit
Those looking for gentle cleansing ingredients derived from plant oils.
Worth knowing
It is often used to help adjust the texture and cleansing profile of shampoos and can also contribute to conditioner emulsions.
HydroxypropylgluconamideConditioning agents
Hair strengthening agent
A bonding-support ingredient that helps improve hair strength and resilience.
May suit
Those with weakened, chemically treated or breakage-prone hair.
Worth knowing
It works by supporting the internal structure of the hair fibre, complementing other conditioning or repair-focused ingredients.
Good to know
Often used alongside Hydroxypropyl Gluconate as part of a dual-action system aimed at reinforcing hair from within.
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.
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.
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.
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.
Lauric AcidConditioning agents
Emollient fatty acid
Lauric Acid is a saturated fatty acid that helps soften and smooth hair.
May suit
Those looking for conditioning support or richer, more emollient formulas.
Worth knowing
It is naturally found in coconut and palm-derived oils and is commonly used to enhance texture and conditioning performance in haircare products.
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.
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.
Tartaric AcidpH adjusters
pH adjuster
Helps regulate the pH of haircare formulas for stability and performance.
May suit
Those interested in balanced, salon-grade formulations that rely on controlled pH.
Worth knowing
As an alpha hydroxy acid, it is primarily used in haircare for its ability to fine‑tune pH rather than for exfoliation. It supports product consistency and ensures other ingredients work as intended.
Benzyl AlcoholPreservatives
Preservative
Helps preserve formulations and can also act as a solvent or light fragrance component.
May suit
Those interested in understanding preservative systems or identifying potential fragrance allergens.
Worth knowing
Benzyl Alcohol is commonly used in professional haircare to support product stability and texture. It can also naturally occur in some essential oils.
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.