Kiehl's Since 1851 Ultra Facial Toner, 8.4 fl. oz.

Common questions

Is Kiehl's Since 1851 Ultra Facial Toner, 8.4 fl. oz. healthy?

Kiehl's Since 1851 Ultra Facial Toner, 8.4 fl. oz. scores 70/100 on Scout's independent analysis of ingredients, additives, and lab results — a fair-to-good score — solid, with tradeoffs. This toner contains several beneficial ingredients like squalane, sodium hyaluronate, and various natural oils, which provide excellent moisturizing and antioxidant properties.

Which ingredients drive Kiehl's Since 1851 Ultra Facial Toner, 8.4 fl. oz.'s score?

In Scout's ingredient-by-ingredient analysis, Glycerin, Squalane, Ascorbyl Glucoside count in its favor; Phenoxyethanol, Acrylates / C10-30 Alkyl Acrylate Crosspolymer, Ethylhexyl Salicylate are flagged as ingredients of concern. The full breakdown, with why each one matters, is in the Key ingredients section on this page.

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Kiehl's Since 1851 Ultra Facial Toner, 8.4 fl. oz.

Kiehl's
70 Good

Analysis updated August 2026 · How Scout scores

$26.00 · 8.4 fl oz · $3.10 / fluid ounce
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At a glance

Beneficial ingredients 8
Harmful ingredients 5
Owned by L'Oréal
Category Toner
Summary

This toner contains several beneficial ingredients like squalane, sodium hyaluronate, and various natural oils, which provide excellent moisturizing and antioxidant properties. However, the presence of ethylhexyl salicylate, which can cause skin irritation, and triethanolamine, with potential contamination concerns, lowers its safety profile. The product is moderately processed, which also impacts its overall rating.

Key ingredients 17

Squalane
Very Good

Squalane is a highly effective emollient and natural antioxidant. It mimics the skin's natural oils, making it an excellent moisturizer. It is non-irritating and suitable for all skin types.

Benefits

Provides deep hydration and helps reduce fine lines.

See more about Squalane →
Ascorbyl Glucoside
Very Good

Ascorbyl Glucoside is a stable form of Vitamin C used for its antioxidant properties. It helps brighten the skin and reduce signs of aging. It is well-tolerated and effective in improving skin tone.

Risks

Minimal risk of irritation; generally safe.

Benefits

Brightens skin and provides antioxidant protection.

Prunus Amygdalus Dulcis Oil / Sweet Almond Oil
Very Good

Sweet Almond Oil is a natural oil rich in vitamins and fatty acids. It nourishes and softens the skin, making it smooth and supple. It is gentle and suitable for sensitive skin.

Risks

Rarely, it may cause allergic reactions in individuals with nut allergies.

Benefits

Nourishes and moisturizes the skin effectively.

See more about Prunus Amygdalus Dulcis Oil / Sweet Almond Oil →
Prunus Armeniaca Kernel Oil / Apricot Kernel Oil
Very Good

Apricot Kernel Oil is a lightweight oil that absorbs easily into the skin. It is rich in vitamins A and E, which help nourish and protect the skin. It is suitable for all skin types and provides excellent emollient properties.

Risks

Minimal risk of irritation; generally safe.

Benefits

Moisturizes and revitalizes the skin.

Tocopherol
Very Good

Tocopherol, or Vitamin E, is a powerful antioxidant that protects the skin from free radical damage. It helps improve skin texture and provides anti-aging benefits. It is well-tolerated and beneficial for most skin types.

Risks

Rarely, it may cause mild irritation in sensitive skin.

Benefits

Protects against oxidative stress and improves skin health.

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Persea Gratissima Oil / Avocado Oil
Very Good

Avocado Oil is a nourishing oil rich in vitamins and essential fatty acids. It deeply moisturizes and soothes the skin, promoting a healthy complexion. It is suitable for dry and sensitive skin types.

Risks

Minimal risk of irritation; generally safe.

Benefits

Deeply nourishes and hydrates the skin.

See more about Persea Gratissima Oil / Avocado Oil →
Glycerin
Good

Glycerin is a humectant that attracts moisture to the skin, helping to keep it hydrated. It is widely used in skincare for its moisturizing properties. It is generally well-tolerated and beneficial for most skin types.

Risks

Rarely, it can cause irritation in very sensitive skin.

Benefits

Helps maintain skin hydration and improves skin barrier function.

See more about Glycerin →
Sodium Hyaluronate
Good

Sodium Hyaluronate is a form of hyaluronic acid that provides intense hydration. It helps retain moisture in the skin, making it plump and smooth. It is suitable for all skin types and is non-irritating.

Benefits

Deeply hydrates and improves skin elasticity.

See more about Sodium Hyaluronate →
Aqua / Water
Neutral

Water is a common solvent used in cosmetics to dissolve other ingredients. It helps in the application and absorption of the product. It does not have any direct benefits or risks.

Benefits

Acts as a solvent and carrier for other ingredients.

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Sorbitan Oleate
Neutral

Sorbitan Oleate is an emulsifier that helps blend oil and water-based ingredients. It is derived from sorbitol and oleic acid. It is generally considered safe for use in cosmetics.

Risks

Low risk of irritation or allergic reaction.

Benefits

Helps maintain product consistency and stability.

See more about Sorbitan Oleate →
Peg-100 Stearate
Neutral

PEG-100 Stearate is an emulsifier that helps blend ingredients in formulations. It is derived from stearic acid and polyethylene glycol. It is generally considered safe but can be contaminated with harmful impurities.

Risks

Potential contamination with ethylene oxide or 1,4-dioxane.

Benefits

Improves product texture and emulsification.

See more about Peg-100 Stearate →
P-Anisic Acid
Neutral

P-Anisic Acid is used as a fragrance ingredient and preservative. It has antimicrobial properties that help preserve the product. It is generally considered safe for use in cosmetics.

Risks

Potential for mild irritation in sensitive skin.

Benefits

Provides antimicrobial benefits and enhances fragrance.

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Phenoxyethanol
Bad

Processed additive flagged under Scout's ingredient doctrine.

Risks

Potential for skin irritation, especially in sensitive individuals.

Benefits

Helps maintain product integrity by preventing microbial contamination.

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Acrylates / C10-30 Alkyl Acrylate Crosspolymer
Bad

Processed additive flagged under Scout's ingredient doctrine.

Risks

May cause mild irritation in sensitive skin types.

Benefits

Improves product texture and stability.

See more about Acrylates / C10-30 Alkyl Acrylate Crosspolymer →
Ethylhexyl Salicylate
Bad

Ethylhexyl Salicylate is a UV filter used in sunscreens and cosmetics. It helps protect the skin from UVB rays. However, it can cause skin irritation and is not considered reef-safe.

Risks

Potential skin irritant and environmental concerns.

Benefits

Provides UVB protection in sun care products.

See more about Ethylhexyl Salicylate →
Potassium Sorbate
Bad

Synthetic preservative — flagged in daily-use products.

Risks

May cause mild irritation in sensitive individuals.

Benefits

Extends shelf life by preventing microbial growth.

See more about Potassium Sorbate →
Triethanolamine
Bad

Triethanolamine is used to adjust pH and stabilize emulsions in cosmetics. It can cause skin irritation and has potential contamination concerns with nitrosamines. It is not recommended for long-term use on the skin.

Risks

Potential skin irritant and contamination with nitrosamines.

Benefits

Helps stabilize and emulsify formulations.

See more about Triethanolamine →

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