RE/START Bond Repair Pre-Wash + Leave-In Hair Treatment 150ml

All hair and skin types.

Almost always the first ingredient listed in water-based products.

Those seeking lightweight natural oils for moisture, shine or scalp comfort.

It is rich in fatty acids that support hair softness without feeling overly heavy. Often used as a carrier oil in both rinse-off and leave-in formulas.

Dry, coarse or thick hair that likes richer oils.

Suits some hair types more than others, and a little usually goes a long way.

Dry or dehydrated hair, and many curl and moisture routines.

A very common, well-tolerated humectant used across countless products.

People who enjoy a scented product.

Fragrance preference is personal. Some people prefer fragrance-free formulas by choice.

Those seeking softness, shine and frizz control without a heavy feel.

It is rich in fatty acids that help support a smooth, conditioned hair surface. Often used in both rinse-off and leave-in formulas for added shine.

Those looking for improved slip, manageability and reduced static, especially in dry or textured hair.

It is often paired with fatty acids to enhance conditioning performance and provide a softer feel. It also helps detangle without weighing hair down.

Those looking for softer, more manageable hair or extra slip in styling products.

It forms a lightweight film on the hair to reduce static and enhance glide without leaving heavy residue. It is commonly used in both rinse-off and leave-in formulas.

Those who want a conditioning feel without the weight of richer oils or butters.

It is often used to improve spreadability and give hair products a silky, non-greasy finish. It can also help enhance product absorption and overall texture.

Those looking for mild cleansing, including people with sensitive scalps or dry hair.

It is part of the alkyl glucoside family, known for creating a soft, low-irritation lather. It is often blended with other surfactants to balance foam and cleansing strength.

Most hair types, especially dry or dull hair.

A versatile, well-tolerated conditioning ingredient.

Those looking for added conditioning support or antioxidant benefits in their haircare.

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.

Those looking for improved style retention or products that enhance texture and manageability.

This copolymer is commonly used in styling products to help create flexible hold without excessive stiffness. It also supports product consistency and overall formula stability.

Most hair types as part of a balanced formula.

Usually present in small amounts to balance the formula.

Those who prefer products with a smooth, uniform texture or need easier application and distribution.

It 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.

Those looking for improved manageability, slip and a softer feel.

It is often used in modern formulas to enhance conditioning without adding heaviness. It can also support moisture retention in the hair.

Those with weakened, chemically treated or breakage-prone hair.

It works by supporting the internal structure of the hair fibre, complementing other conditioning or repair-focused ingredients.

Often used alongside Hydroxypropyl Gluconate as part of a dual-action system aimed at reinforcing hair from within.

Those looking for conditioning support or richer, more emollient formulas.

It is naturally found in coconut and palm-derived oils and is commonly used to enhance texture and conditioning performance in haircare products.

Those using haircare in hard-water areas or seeking formulas that resist mineral build-up.

Chelating agents can help shampoos and treatments work more consistently by reducing the effect of minerals like calcium and magnesium. They are widely used to maintain clarity and stability in water-based formulas.

Those seeking lightweight hydration without heaviness.

It also supports product texture and can enhance the performance of other ingredients in a formula.

Most hair types wanting smoother, easier-to-manage hair.

Widely used in shampoos and conditioners for slip and softness.

Those interested in products formulated for pH balance or stability.

It supports formula consistency and can enhance the performance of other ingredients by keeping the product within its optimal pH range.

Those interested in how a product’s texture and lather are achieved.

It is a simple mineral salt that helps create a familiar shampoo feel and can influence how a cleanser spreads through the hair.

Anyone using products where a consistent, even texture is desired.

It is commonly used to improve product spreadability and maintain uniform texture in creams and conditioners.

Useful for dry, damaged, chemically treated or porous hair seeking lightweight strengthening.

These amino acids are smaller than whole proteins, allowing them to offer conditioning benefits without adding heaviness. They are commonly included in both rinse-off and leave-in formulas.

All products that need a preservative system.

Often paired with other preservatives for broad protection.

Those interested in understanding preservative systems or identifying potential fragrance allergens.

Benzyl Alcohol is commonly used in professional haircare to support product stability and texture. It can also naturally occur in some essential oils.

Those using styling products that benefit from fast evaporation, such as sprays.

It is commonly used at low levels to improve texture and spreadability. It evaporates quickly, leaving minimal residue on the hair.

All products that need protecting from spoilage.

A very common, well-studied preservative used at low levels.

Anyone who uses water-based products that benefit from reliable preservation.

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.

Those interested in balanced, salon-grade formulations that rely on controlled pH.

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.

Those who enjoy warm, woody fragrance notes in their haircare products.

It is commonly used in fine fragrance and personal care to provide long-lasting scent character. Its presence affects fragrance only, not hair performance.

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.

Those interested in understanding or tracking specific fragrance components on ingredient lists.

It is a listed fragrance allergen in the EU and may be declared on labels when present above certain thresholds. Its presence does not indicate product strength, only that it contributes to the overall scent profile.

Those who enjoy subtly floral-scented haircare or are monitoring specific fragrance allergens.

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.

Those who enjoy citrus-style fragrances or want products with a fresh aromatic profile.

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.

Those who enjoy naturally derived citrus fragrances.

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.

Those who enjoy naturally derived citrus fragrances in their hair products.

Like many essential oils, it can also contribute light aromatic or sensory benefits beyond scent. Its natural composition includes common fragrance components, which may be relevant for people monitoring fragrance use.

Those who enjoy subtly sweet, complex fragrance profiles in their haircare products.

It is one of the fragrance components that must be listed individually when present above certain levels, as some people may prefer to monitor specific scent materials. Its presence does not indicate the overall strength of a product's fragrance.

Those who enjoy floral-scented hair products or are checking for specific fragrance components.

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.

Those who enjoy subtly scented haircare products.

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.

Those who enjoy scented hair products or want a light floral note in their routine.

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.

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.

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.

Those who enjoy naturally inspired, aromatic formulas.

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.

Those who enjoy crisp, outdoorsy fragrance notes in their hair products.

It occurs naturally in many essential oils, especially pine and conifer sources. In formulations it is used mainly for its scent rather than for hair-conditioning effects.

Those who enjoy floral or rose‑inspired fragrance profiles in their hair products.

Rose ketones are aromatic compounds used by perfumers to create sophisticated floral notes. They are typically present in very small amounts to enhance overall scent character.

Those who enjoy refined, long-lasting fragrance notes in their hair products.

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.