Dermalogica Protect & Renew Set

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

It is often derived from plant sources such as sugarcane and is valued for its stability and non-greasy texture. It is suitable for most hair types, including fine hair, due to its lightness.

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

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

Those looking for smoother-feeling hair or products with a creamier application.

Fatty alcohols like hexyldecanol are commonly used to add slip and support conditioning formulas. They also help stabilise emulsions in creams and conditioners.

Those wanting lightweight hydration without heaviness.

It is often used as a gentle alternative to glycol-based humectants and can also help improve product texture and absorption.

Those using products with active ingredients that benefit from enhanced penetration or even distribution.

It is commonly used to support the performance of other ingredients, especially in targeted treatments. Its presence typically indicates a formula designed for improved delivery or stability.

People who prefer products with a silky, non-greasy feel or stable gel-like textures.

It is often used to create lightweight gels and serums that spread easily without stickiness. It also helps maintain product consistency over time.

Those who prefer formulas designed to maintain stability with lower preservative loads.

It is commonly used in modern formulations to enhance overall product stability and texture. It can also contribute mild soothing properties in some formulas.

Those interested in improving scalp clarity or maintaining a balanced scalp environment.

Although more common in skincare, this form of retinoid can be used in some scalp-focused formulas to encourage surface turnover. It is usually included at low levels due to its potency.

People interested in targeted scalp treatments or products aimed at improving scalp texture and turnover.

Retinol is more common in skincare than haircare, but small amounts may be included in specialised scalp products. It is typically formulated at low levels to help maintain comfort and balance.

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.

Those interested in botanical ingredients or products aimed at maintaining a balanced, refreshed scalp.

Rosemary leaf extract is widely used in haircare for its traditional association with invigorating and clarifying properties. It can be included in both everyday and specialised scalp-focused formulas.

Those who enjoy naturally derived floral fragrances in their haircare.

As a botanical essential oil, its scent profile can vary slightly from batch to batch. It is commonly used in both skincare and haircare for its pleasant aroma.

Those who enjoy naturally derived fragrance notes in their haircare.

As a botanical essential oil, its scent profile comes from naturally occurring aromatic compounds. It is typically used in small amounts to enhance a product’s overall fragrance blend.

Those looking for a refreshing or spa-like sensory experience, or gentle scalp-invigorating formulas.

Eucalyptus oil is often included in small amounts for its aromatic qualities and its cooling sensation on the scalp. Its presence is mainly for sensory and traditional botanical benefits.

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

As a plant-derived essential oil, its aroma profile can vary slightly depending on harvest conditions.

Those looking for gentle, plant-derived ingredients that support softness and scalp comfort.

Rice bran extracts often contain natural antioxidants that can complement conditioning formulas. They are commonly included to enhance overall product feel rather than act as a primary active.

Those looking for gentle, plant-derived ingredients with light conditioning or antioxidant benefits.

Sunflower extract is commonly used for its mild, supportive properties and can complement both leave-in and rinse-off formulations. Its composition may vary slightly depending on how it is processed.

Those who enjoy naturally derived botanical scents or products designed to refresh the scalp.

As an essential oil, it can also contribute light tonic or soothing effects depending on the formulation. Its aromatic profile is typically subtle once blended with other ingredients.

Those who enjoy natural essential oil fragrances or seek plant-derived scalp‑care ingredients.

It can also be included for its traditional soothing and balancing properties on the scalp. Essential oils are typically used in low concentrations to provide aroma and complementary benefits.

Those who enjoy products scented with natural essential oils.

It is commonly used for its uplifting scent rather than for functional hair benefits. As with many essential oils, it is typically included at low levels for fragrance.

Those wanting added nourishment or antioxidant support in their haircare routine.

Tocopherol is commonly included to help protect oils in a formula from oxidising and to offer light conditioning benefits. It is widely used in both skincare and haircare products.

People with dry, damaged or sensitised hair and scalp may appreciate its soothing, hydrating benefits.

Beta-glucan is a naturally occurring polysaccharide often derived from oats or fungi and is valued for its calming and hydrating properties. It can also contribute light film-forming benefits that support softness.

Those looking for added hydration or smoother-feeling hair.

It is also commonly used as a preservative booster to help maintain formula freshness. It is well tolerated in most haircare products.

Anyone using products that benefit from extended shelf life and maintained performance.

It helps protect oils and other sensitive ingredients from breaking down when exposed to air and light. It is used in very small amounts to support product consistency.

Those with dry, damaged or chemically treated hair seeking smoother, more resilient strands.

Ceramides are lipids naturally present in hair and are often added to formulations to help improve feel and manageability. They can complement conditioning agents by supporting the hair’s surface structure.

Those wanting conditioning benefits that do not weigh hair down, including fine or easily-greasy hair types.

It is commonly derived from coconut oil and glycerin and is valued for its silky, non-greasy feel. It is widely used in both skincare and haircare for its gentle, versatile performance.

Those seeking richer, creamier formulas that add softness without heaviness.

It is a wax ester commonly used to stabilise emulsions and improve slip in both haircare and skincare formulas.

Those interested in lightweight, non-greasy formulas that spread easily.

It is also used as a preservative booster to support formula stability.

Those interested in gentle preservation systems or sensitive scalps may find it relevant.

It is often paired with other preservatives to improve their effectiveness while allowing for lower usage levels. It also has light moisturising and conditioning properties.

Those using creams or conditioners that rely on smooth, even textures.

It is widely used in haircare to ensure consistent texture and to help disperse ingredients evenly. It also offers mild surfactant properties that support product spreadability.

Those using hard water or products prone to mineral build‑up may appreciate its inclusion.

It is often used as a readily biodegradable alternative to traditional chelating agents. By managing metal ions, it can help formulas stay consistent over time.

Those looking for products with a richer, more stable texture.

It is a fatty acid derivative commonly used to improve product texture and spreadability. It also contributes mild emollient benefits.

Those using products with essential oils or fragranced blends, as it helps disperse these evenly.

It is widely used as a gentle solubiliser in both leave‑in and rinse‑off products. Its presence can improve product consistency and prevent ingredient separation.

Those interested in products with a consistent, creamy texture.

It is commonly used to improve product stability and spreadability in both haircare and skincare. It can also support the even distribution of other ingredients through the hair.

Those using products that need even distribution of lightweight oils or fragrances, such as leave-ins or styling sprays.

It is a nonionic surfactant often used at low levels to keep formulas stable and clear. It also helps enhance the spreadability of other ingredients.

Those using products that need lightweight emulsification or improved rinse-off, such as shampoos, treatments or styling products.

It is a phosphate ester of an ethoxylated fatty alcohol, commonly used to stabilise formulas and improve texture. Its solubilising ability helps keep fragrance and conditioning ingredients evenly dispersed.

Those interested in how product pH affects scalp comfort or hair cuticle behaviour.

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.

Most hair types as part of a balanced formula.

Usually present in small amounts to balance the formula.

Those who prefer products with a gel-like or uniform texture.

It is commonly used in gels, creams and styling products to improve spreadability and performance. It also helps keep formulas stable across different temperatures.

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 who spend time outdoors or want to help maintain colour-treated hair.

It is widely used in suncare and some hair products to support protection against UV exposure. In haircare, it mainly helps reduce colour fade rather than providing full sunscreen performance.

All hair and skin types.

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

Those looking for hydrated, smoother-feeling hair or lighter-feeling formulations.

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.

Those seeking lightweight hydration without heaviness.

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

People seeking richer, more conditioning formulas for dry or coarse hair.

Although classed as an alcohol, fatty alcohols are waxy, non-drying ingredients commonly used to enhance slip and creaminess in haircare products. They can also support the stability and feel of conditioners and masks.

People looking for smoother-feeling hair or richer, more conditioning formulas.

Despite the name, fatty alcohols like behenyl alcohol are quite different from drying alcohols and are commonly used to add slip and creaminess to haircare products. They can also support the stability and thickness of conditioners and masks.

Those who prefer a smoother application or a soft-focus, non-greasy finish in styling products.

It helps create a silky feel and can reduce greasiness or heaviness in formulations. It is commonly used in both haircare and skincare for its soft, powdery finish.

Those interested in products that use fermentation-derived preservation systems.

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.

Those looking for formulas that help with hair resilience or hydration.

Arginine is naturally present in the hair’s keratin structure and is commonly added to strengthening or repairing products. It is also used in some formulations to help support scalp comfort.

Those looking for lightweight conditioning or formulas aimed at improving hair feel and manageability.

Peptides like this one are often included in premium formulations for their ability to support a smoother, more conditioned hair surface. They are typically used in low concentrations as performance boosters.

Those interested in soothing or antioxidant-rich botanical ingredients.

It is commonly used in haircare for its calming and conditioning properties. Its gentle nature makes it suitable for a wide range of formulations.

Those looking for mild, low‑foaming cleansing ingredients or products aimed at sensitive scalps.

It is often used alongside other glucoside surfactants to create balanced, gentle cleansing systems. It can also contribute to the stability and feel of emulsions.

Those with dry, dehydrated or coarse hair seeking added softness and moisture retention.

It 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.

Those looking to improve hair softness, support manageability or add light nourishment.

It is rich in fatty acids that can help support the feel and appearance of dry or coarse hair. Often included in blends to enhance overall conditioning benefits.

People looking to maintain moisture balance or support smoother-feeling hair.

As an amino sugar, it is sometimes included to enhance moisture retention or support the feel of conditioning formulas. Its presence is typically complementary rather than a primary active.

Those with a sensitive or easily irritated scalp may appreciate its calming effect.

It is widely used in personal care for its comforting feel and compatibility with many formulas. In haircare, it supports a smoother, more comfortable scalp experience.

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

It is often derived from plant sources such as sugarcane and is valued for its stability and non-greasy texture. It is suitable for most hair types, including fine hair, due to its lightness.

Those seeking gentle hydration or added softness from plant-derived extracts.

Algae extracts vary by species, but they commonly supply moisturising polysaccharides and minerals that support a smooth feel.

Those looking for gentle, nutrient-rich plant-derived extracts in their haircare.

It contains naturally occurring amino acids and polysaccharides that can support hydration and scalp comfort. It is widely used in both hair and skin formulations.

Those with a dry, sensitive or easily irritated scalp.

It contains naturally occurring beta-glucans and lipids that support moisture retention and comfort on the scalp. It is commonly used in gentle or calming formulations.

Those with dry, coarse or dehydrated hair, or a dry, flaky scalp.

It is often used to support hydration and maintain a comfortable scalp environment. In some formulas it can also help improve product absorption.

People who prefer products with a silky, non-greasy feel or stable gel-like textures.

It is often used to create lightweight gels and serums that spread easily without stickiness. It also helps maintain product consistency over time.

Those using creams or conditioners that rely on smooth, even textures.

It is widely used in haircare to ensure consistent texture and to help disperse ingredients evenly. It also offers mild surfactant properties that support product spreadability.

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

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

All products, especially in hard-water areas.

Used in tiny amounts to keep formulas performing reliably.

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 aromatic, clove-like fragrance profiles or who are reviewing products for fragrance allergens.

It is one of the fragrance allergens that must be listed separately on labels when present above certain thresholds. Its presence does not indicate product quality, but may help people who monitor their fragrance exposure.

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.

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 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.

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

Lemon peel oil is commonly included in formulations for its bright aroma and is also considered a botanical source of antioxidant compounds. Its scent profile can support the overall fragrance blend of a product.

Those who enjoy botanical floral scents in their hair products.

As a botanical essential oil, it is used mainly for its aromatherapy appeal and pleasant scent profile. It may also appear in blends that provide a sense of freshness in the formula.

Those looking for botanical ingredients that add a light, revitalising touch to haircare formulas.

Lemon peel extract often appears in products for its naturally aromatic and antioxidant properties. It can also contribute to a fresh scent profile within a formula.

Those who enjoy naturally derived floral fragrances in their haircare.

As a botanical essential oil, its scent profile can vary slightly from batch to batch. It is commonly used in both skincare and haircare for its pleasant aroma.

Those who enjoy naturally derived fragrance components in haircare.

As a plant-derived essential oil, its aroma profile can vary slightly between batches. It is used in small amounts to enhance the overall sensory experience of a formula.

Those wanting conditioning benefits that do not weigh hair down, including fine or easily-greasy hair types.

It is commonly derived from coconut oil and glycerin and is valued for its silky, non-greasy feel. It is widely used in both skincare and haircare for its gentle, versatile performance.

Those interested in product appearance or opacity, such as in creams or conditioners.

It is commonly used to create a uniform, opaque look and can also help stabilise formula appearance. Its presence does not affect how the product performs on the hair.