Lashbond Building Serum
The natural lashes you’re meant to have are just weeks away. Discover the power of lash science from the hair experts. Just a swipe of LASHBOND™ Building Serum morning and night delivers a powerful lash-enhancing triad in a highly effective concentration to support and sustain the natural growth cycle and lash retention. Experience more conditioned, healthier-looking lashes in as little as 2 weeks. See longer-, fuller-looking lashes in as little as 4 weeks.* This clear, lightweight lash serum is ophthalmologist tested and compatible with the use of contact lenses, lash lifts, lash extensions, and false lashes. Plus, it’s prostaglandin free.
94% experienced more voluminous-looking lashes
97% reported improvement in the appearance of longer, denser lashes
100% reported improvement in the appearance of thicker lashes*
*Results may vary. As reported by participants at the conclusion of a 12-week consumer perception clinical study of 33 subjects with 2x daily use.
How To Use Olaplex Lashbond Building Serum
Apply morning and night to clean, dry skin. Dip the wand into the serum one and apply to the upper lash line of both eyes. Let dry for 90 seconds. Do not wash off.
Olaplex Lashbond Building Serum Ingredients
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Aqua SolventsSolvent
The water base that carries and dissolves the other ingredients in most products.
May suitAll hair and skin types.
Worth knowingAlmost always the first ingredient listed in water-based products.
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Butylene Glycol HumectantsHumectant and solvent
Butylene Glycol helps attract and hold moisture while improving the spreadability of hair products.
May suitThose looking for hydrated, smoother-feeling hair or lighter-feeling formulations.
Worth knowingIt 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.
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Glycerin HumectantsHumectant
Attracts and holds water to help hair feel hydrated and soft.
May suitDry or dehydrated hair, and many curl and moisture routines.
Worth knowingA very common, well-tolerated humectant used across countless products.
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Hydroxyethylcellulose Thickeners and stabilisersThickener and stabiliser
A polymer that helps thicken and stabilise haircare formulas.
May suitThose who prefer products with a smooth, uniform texture or need easier application and distribution.
Worth knowingIt is derived from cellulose and is widely used because it provides viscosity without weighing hair down. It also helps improve the feel and spreadability of many water-based products.
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Acetyl Tetrapeptide-3 Anti-dandruff / scalp careScalp-supporting peptide
A signalling peptide used to help support a healthy scalp environment.
May suitThose interested in products targeting scalp vitality or fuller-looking hair.
Worth knowingIt 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.
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Bis-Aminopropyl Diglycol Dimaleate Conditioning agentsBond-building conditioning agent
Helps support and reinforce hair’s internal bonds to improve strength and feel.
May suitPeople with colour-treated, heat-styled or chemically processed hair seeking added resilience.
Worth knowingIt is known for its use in bond-building treatments that work alongside regular conditioners. It supports the hair structure rather than coating it heavily.
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Sodium Hyaluronate HumectantsHydrating humectant
Draws moisture into the hair and helps maintain hydration.
May suitThose with dry, dehydrated or coarse hair seeking added softness and moisture retention.
Worth knowingIt is the salt form of hyaluronic acid and is widely used because it can hold many times its weight in water. In haircare, it helps support smoother, more manageable strands without adding heaviness.
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Biotin Anti-dandruff / scalp careScalp-supporting vitamin
Biotin is a B‑vitamin used in haircare to support the condition of the scalp and hair fibre.
May suitThose looking for formulas that help maintain a healthy-feeling scalp or the appearance of stronger hair.
Worth knowingIn 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.
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Panthenol Conditioning agentsConditioning agent
Helps condition, soften and add a smooth, healthy feel to the hair.
May suitMost hair types, especially dry or dull hair.
Worth knowingA versatile, well-tolerated conditioning ingredient.
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Avena Sativa (Oat) Kernel Extract Botanical extractsSoothing botanical extract
Avena Sativa (Oat) Kernel Extract is used to soothe and condition the scalp and hair.
May suitThose with dry, delicate or easily irritated scalps may appreciate its calming feel.
Worth knowingOat extracts are commonly added to haircare for their gentle, comforting properties and compatibility with many formulations.
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Aminomethyl Propanol pH adjusterspH adjuster
Helps adjust and stabilise the pH of haircare formulations.
May suitThose interested in how product pH affects hair and scalp feel may find its presence relevant.
Worth knowingIt 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.
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Sorbic Acid PreservativesPreservative
Helps preserve haircare formulas by preventing product spoilage.
May suitThose who prefer products using widely accepted preservative systems.
Worth knowingIt is commonly used in both cosmetic and food products due to its effectiveness in maintaining formula stability. It is typically used at low levels and works well alongside other preservation ingredients.
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Benzoic Acid PreservativesPreservative
Helps protect haircare products by supporting the preservation system and maintaining formula stability.
May suitThose who want products that remain fresh and effective throughout their shelf life.
Worth knowingBenzoic Acid is often used alongside other preservatives to create a broad-spectrum system. It also plays a minor role in helping maintain a product’s pH balance.
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Sodium Benzoate PreservativesPreservative
Helps protect water-based products from spoilage so they stay usable.
May suitAll products that need a preservative system.
Worth knowingOften paired with other preservatives for broad protection.
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Dextran Thickeners and stabilisersStabiliser and texture enhancer
A polysaccharide used to help stabilise formulas and improve product texture.
May suitThose who prefer products with a smoother, more uniform feel.
Worth knowingDextran 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.
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Trifolium Pratense Flower Extract Botanical extractsBotanical extract
A plant extract used to help condition the hair and support a healthy-feeling scalp.
May suitThose looking for gentle botanical ingredients or products aimed at scalp comfort.
Worth knowingRed 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.
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Citric Acid pH adjusterspH adjuster
Fine-tunes the product pH, which can help the hair surface feel smooth.
May suitMost hair types as part of a balanced formula.
Worth knowingUsually present in small amounts to balance the formula.
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Phenoxyethanol PreservativesPreservative
Helps keep the product stable and pleasant to use after opening.
May suitAll products that need protecting from spoilage.
Worth knowingA very common, well-studied preservative used at low levels.
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Chlorphenesin PreservativesPreservative
Chlorphenesin helps keep haircare products fresh by supporting protection against microbial growth.
May suitThose looking for products with reliable preservation, especially in creams, lotions or styling formulas.
Worth knowingIt is commonly used in cosmetics at low levels to help maintain product quality over time. It works alongside other preservatives to support formula stability.
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Potassium Sorbate PreservativesPreservative
Helps keep haircare formulas stable by preventing the growth of microbes.
May suitAnyone who uses water-based products that benefit from reliable preservation.
Worth knowingIt 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.