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Keune CARE Long & Strong Super Serum is a lightweight scalp serum designed to support thicker, fuller-looking hair in 60 days.
This fast-absorbing daily serum works from the root to help support stronger, longer and healthier-looking hair. Clinically proven to help reduce hair loss and boost density, it stimulates hair growth, supports keratin production and helps extend the hair growth cycle.
Powered by Marine Density Infusion, Biomimetic Peptides and Centella Asiatica, the formula helps stimulate follicles, strengthen hair and reduce breakage while caring for the scalp. Dermatologically approved and scalp microbiome friendly, it is suitable for all hair types, especially fine, thinning or weakened hair.
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Directions
How To Use Keune Care Long & Strong Super Serum
Apply directly to the scalp, massage in, and leave on.
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.
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.
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.
Butylene GlycolHumectants
Humectant and solvent
Butylene Glycol helps attract and hold moisture while improving the spreadability of hair products.
May suit
Those looking for hydrated, smoother-feeling hair or lighter-feeling formulations.
Worth knowing
It is commonly used to help ingredients dissolve and to give formulas a soft, glide-on texture. It appears in many leave-in and rinse-off products due to its versatility.
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.
LecithinConditioning agents
Emollient & conditioning agent
Lecithin helps soften and condition the hair while supporting product texture.
May suit
Those seeking added softness, moisture support or smoother-feeling hair.
Worth knowing
It is a phospholipid commonly derived from soy or sunflower and is valued for its ability to enhance spreadability and moisture retention. It can also help stabilise certain formulations.
Hydrolyzed Soy ProteinProteins and amino acids
Strengthening protein
A plant-derived protein that helps support hair strength and improve the feel of damaged or processed hair.
May suit
People with weakened, chemically treated, or breakage-prone hair may appreciate its reinforcing effect.
Worth knowing
Hydrolysed proteins are broken into smaller fragments so they can more easily interact with the hair’s surface. They are commonly used alongside conditioners and humectants for a balanced feel.
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.
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.
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.
CaffeineAnti-dandruff / scalp care
Scalp-support ingredient
Caffeine is used in haircare to help support scalp vitality and create an energised feel.
May suit
People interested in scalp-focused formulas or products aimed at maintaining the appearance of fuller, energised hair.
Worth knowing
It is often included in shampoos, tonics and leave‑ins to complement other scalp-care ingredients. Its effects are generally most noticeable when used consistently.
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.
Panax Ginseng Root ExtractBotanical extracts
Botanical extract
A plant extract used to help condition the scalp and support the feel of stronger, revitalised hair.
May suit
People looking for botanical ingredients that support scalp care or the appearance of hair vitality.
Worth knowing
Ginseng extracts are commonly included in haircare for their traditional association with invigorating and conditioning properties. They can be blended with other botanical or conditioning ingredients for complementary effects.
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.
DextranThickeners and stabilisers
Stabiliser and texture enhancer
A polysaccharide used to help stabilise formulas and improve product texture.
May suit
Those who prefer products with a smoother, more uniform feel.
Worth knowing
Dextran can also support the performance of other ingredients by helping maintain an even consistency. It is commonly used in both skincare and haircare for its gentle, supportive role in formulations.
Dipropylene GlycolHumectants
Humectant
A versatile humectant that helps attract and hold moisture while improving product texture and spreadability.
May suit
Those looking for products that support moisture balance without heaviness.
Worth knowing
It is also commonly used as a solvent to help dissolve other ingredients evenly in a formula. It is well tolerated in most haircare products and contributes to a smooth application feel.
Acetyl Tetrapeptide-3Anti-dandruff / scalp care
Scalp-supporting peptide
A signalling peptide used to help support a healthy scalp environment.
May suit
Those interested in products targeting scalp vitality or fuller-looking hair.
Worth knowing
It is often combined with plant extracts to support the scalp and is valued for its lightweight, non-greasy feel. Its role is cosmetic and focuses on improving the appearance and condition of the scalp.
A plant extract used to help condition the hair and support a healthy-feeling scalp.
May suit
Those looking for gentle botanical ingredients or products aimed at scalp comfort.
Worth knowing
Red clover extracts are often included for their soothing and antioxidant properties. They are commonly used alongside other botanicals to support overall scalp and hair care routines.
Benzyl SalicylateFragrance ingredients
Fragrance component
Benzyl Salicylate is a fragrance ingredient used to add a sweet, floral aroma to haircare products.
May suit
Those who enjoy subtly floral-scented haircare or are monitoring specific fragrance allergens.
Worth knowing
It is one of the fragrance allergens that must be listed individually on product labels when present above certain levels. Its presence does not indicate product strength or quality, only that it contributes to the overall scent profile.
Provides a fresh, citrus aroma and can contribute a light conditioning feel.
May suit
Those who enjoy naturally derived citrus scents in haircare.
Worth knowing
Bergamot peel oil is an essential oil commonly used to add a bright, uplifting fragrance to formulations. It may also offer a subtle smoothing effect depending on the blend.
A citrus essential oil used to add a fresh, aromatic note to haircare products.
May suit
Those who enjoy naturally derived citrus fragrances.
Worth knowing
As an essential oil, it contributes scent and may also offer a light refreshing feel in formulations. It can naturally contain trace levels of common fragrance allergens, which are listed separately on ingredient labels when present above threshold levels.
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.
HexamethylindanopyranFragrance ingredients
Fragrance ingredient
A synthetic musk used to add a soft, long‑lasting scent to haircare products.
May suit
Those who enjoy lingering, musky fragrance notes in their hair products.
Worth knowing
It is widely used in perfumery and personal care for its stability and staying power. It does not fall under the list of declarable fragrance allergens.
HydroxycitronellalFragrance ingredients
Fragrance component
Hydroxycitronellal is a fragrance ingredient used to give haircare products a fresh, floral scent.
May suit
Those who enjoy scented hair products or want a light floral note in their routine.
Worth knowing
It is one of the fragrance allergens that must be listed on labels when present above certain thresholds. People who are monitoring fragrance components for sensitivity may find this information useful.
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.
Linalyl AcetateFragrance ingredients
Fragrance component
A fragrance ingredient that adds a soft, floral–citrus note to haircare products.
May suit
Those who enjoy naturally inspired, aromatic formulas.
Worth knowing
It is a naturally occurring component of several essential oils and is often used to create balanced, pleasant scents in formulations. Its presence does not affect the performance of the product on the hair.
Iso E SuperFragrance ingredients
Fragrance ingredient
A synthetic aroma molecule used to add a soft, woody, amber-like scent to formulations.
May suit
Those who enjoy refined, long-lasting fragrance notes in their hair products.
Worth knowing
Iso E Super is widely used in fine fragrance and haircare for its smooth, modern scent profile. It blends well with many other aroma materials and is known for its subtle diffusion.
VanillinFragrance ingredients
Fragrance ingredient
Vanillin is used to give haircare products a warm, sweet vanilla scent.
May suit
Those who enjoy softly scented products with a vanilla aroma.
Worth knowing
It is one of the most common aroma components used to create comforting, sweet fragrance profiles in cosmetic formulas. Only very small amounts are typically needed for effect.