Paula's Choice Clinical Discoloration Repair Serum
Paula's ChoiceAnalysis updated August 2026 · How Scout scores
At a glance
Summary
This serum contains beneficial ingredients such as niacinamide, glycerin, and tranexamic acid, which are known for their skin-enhancing properties. The formulation is minimally processed and includes natural oils and emollients, contributing to its high rating. The presence of phenoxyethanol as a preservative is a minor concern, but it is generally considered safe in low concentrations.
Key ingredients 6
NiacinamideGood
Niacinamide is a form of Vitamin B3 that is known for its anti-inflammatory properties. It helps improve skin texture and tone, and reduces the appearance of pores. It is well-tolerated by most skin types.
Risks
Rarely, it may cause mild irritation or redness in sensitive individuals.
Benefits
Improves skin barrier function, reduces redness, and minimizes pore appearance.
GlycerinGood
Glycerin is a humectant that attracts moisture to the skin, keeping it hydrated. It is widely used in skincare for its ability to improve skin barrier function. It is generally safe and non-irritating.
Risks
Overuse can lead to a sticky feeling on the skin.
Benefits
Enhances skin hydration and improves barrier function.
Tranexamic AcidGood
Tranexamic Acid is used in skincare for its ability to reduce hyperpigmentation and even out skin tone. It works by inhibiting melanin synthesis. It is effective for treating discoloration.
Risks
May cause irritation in sensitive skin types if used in high concentrations.
Benefits
Reduces hyperpigmentation and evens skin tone.
Caprylic/Capric TriglycerideGood
Caprylic/Capric Triglyceride is an emollient derived from coconut oil and glycerin. It helps to smooth and soften the skin. It is lightweight and non-greasy, making it suitable for all skin types.
Risks
Rarely, it may cause breakouts in acne-prone skin.
Benefits
Provides a silky feel and helps to lock in moisture.
Water (Aqua)Neutral
Water is a common solvent used in cosmetic formulations. It helps dissolve other ingredients and provides a base for the serum. It does not have any direct benefits or risks.
Benefits
Provides a medium for other ingredients to be delivered to the skin.
PhenoxyethanolBad
Phenoxyethanol is a preservative used to prevent microbial growth in cosmetics. It is considered safe in low concentrations but can cause irritation in some individuals. It is a common alternative to parabens.
Risks
Potential for skin irritation and allergic reactions in sensitive individuals.
Benefits
Prevents microbial contamination, extending product shelf life.
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