Tatcha Indigo Overnight Repair Serum Treatment 1.7 Ounces
Analysis updated August 2026 · How Scout scores
At a glance
Summary
This serum contains beneficial ingredients like glycerin, sodium hyaluronate, and various botanical extracts that provide hydration and soothing properties. However, the presence of phenoxyethanol as a preservative, which can cause irritation in some individuals, slightly lowers its safety profile. The product also includes PEG compounds, which are synthetic and contribute to a moderate level of processing.
Key ingredients 10
DiglycerinGood
Diglycerin is a humectant that helps to attract moisture to the skin. It is similar to glycerin but with a higher viscosity. It is well-tolerated and enhances skin hydration.
Risks
There are minimal risks associated with diglycerin, though overuse may lead to a sticky feel.
Benefits
Improves skin hydration and helps maintain moisture balance.
Saccharomyces/Rice Ferment FiltrateGood
This ingredient is a fermented product that can enhance skin's natural renewal process. It is rich in amino acids and vitamins. It is known for its moisturizing and brightening properties.
Risks
Fermented ingredients may cause irritation in very sensitive skin types.
Benefits
Improves skin texture and provides antioxidant benefits.
GlycerinGood
Glycerin is a powerful humectant that draws moisture into the skin. It is widely used in skincare for its hydrating properties. It is non-irritating and suitable for all skin types.
Risks
There are no significant risks associated with glycerin in cosmetic use.
Benefits
Deeply hydrates the skin and helps maintain the skin's moisture barrier.
Ophiopogon Japonicus Root ExtractGood
This botanical extract is known for its soothing and moisturizing properties. It is used in skincare for its ability to calm irritated skin. It is generally well-tolerated and beneficial for sensitive skin.
Risks
There are minimal risks associated with this extract.
Benefits
Soothes and hydrates the skin, making it ideal for sensitive skin types.
Polygonum Tinctorium Leaf/Stem ExtractGood
This extract is derived from the indigo plant and is known for its anti-inflammatory properties. It helps to calm and soothe irritated skin. It is beneficial for reducing redness and irritation.
Risks
There are minimal risks associated with this extract.
Benefits
Provides anti-inflammatory benefits and helps soothe the skin.
Sodium HyaluronateGood
Sodium hyaluronate is a form of hyaluronic acid that is highly effective in retaining moisture. It penetrates the skin easily and provides deep hydration. It is suitable for all skin types and enhances skin plumpness.
Risks
There are no significant risks associated with sodium hyaluronate.
Benefits
Deeply hydrates and plumps the skin, reducing the appearance of fine lines.
Aqua/Water/EauNeutral
Water is a universal solvent and is used as a base in many cosmetic formulations. It helps dissolve other ingredients and provides hydration. It is generally considered safe and non-irritating.
Risks
There are no significant risks associated with water in cosmetic formulations.
Benefits
Water helps in hydrating the skin and acts as a carrier for other beneficial ingredients.
Butylene GlycolNeutral
Butylene glycol is a solvent and conditioning agent that helps improve the texture of skincare products. It is generally considered safe and non-irritating. It enhances the penetration of other ingredients.
Risks
May cause irritation in very sensitive skin types.
Benefits
Improves product spreadability and enhances ingredient absorption.
DimethiconeBad
Occlusive silicone film-former — flagged under clean-beauty doctrine.
Risks
May cause skin irritation or acne in sensitive individuals due to occlusive properties.
Benefits
Provides a silky texture and helps in retaining moisture on the skin.
PhenoxyethanolBad
Phenoxyethanol is a preservative used to prevent microbial growth in cosmetics. It is effective but can cause irritation in some individuals. It is considered a potential allergen and should be used in low concentrations.
Risks
May cause skin irritation or allergic reactions in sensitive individuals.
Benefits
Prevents the growth of bacteria and extends the shelf life of the product.
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