RMS Beauty Straight Up Volumizing Peptide Mascara
Analysis updated August 2026 · How Scout scores
At a glance
Summary
This mascara features a clean and minimally processed ingredient list, with beneficial components like shea butter, glycerin, and white tea extract that provide moisturizing and antioxidant benefits. The inclusion of natural preservatives and peptides further enhances its safety and effectiveness. The absence of harsh chemicals, synthetic fragrances, and endocrine disruptors contributes to its high rating.
Key ingredients 9
Butyrospermum Parkii (Shea) ButterVery Good
Shea butter is a natural fat extracted from the nuts of the shea tree. It is known for its moisturizing and emollient properties, making it beneficial for dry skin. It is rich in vitamins and fatty acids, which nourish and protect the skin.
Risks
Shea butter is generally safe, but individuals with nut allergies should perform a patch test before use.
Benefits
Shea butter deeply moisturizes the skin and helps in reducing inflammation and irritation.
Camellia Sinensis (White Tea) Leaf ExtractVery Good
White tea extract is rich in antioxidants, which help in protecting the skin from environmental damage. It has anti-inflammatory properties that soothe and calm the skin. It is beneficial for maintaining skin health and preventing premature aging.
Risks
White tea extract is generally safe, but it may cause mild irritation in very sensitive individuals.
Benefits
It helps in reducing oxidative stress and provides anti-aging benefits to the skin.
Oligopeptide-2Very Good
Oligopeptide-2 is a peptide that helps in stimulating collagen production and improving skin elasticity. It is used in cosmetics for its anti-aging and skin-rejuvenating properties. It is considered safe and effective for enhancing skin appearance.
Risks
There are minimal risks associated with peptides, though some individuals may experience mild irritation.
Benefits
It helps in reducing the appearance of fine lines and wrinkles, promoting a youthful complexion.
GlycerinGood
Glycerin is a humectant that attracts moisture to the skin, keeping it hydrated. It is widely used in cosmetics for its ability to improve skin barrier function. It is non-toxic and suitable for all skin types.
Risks
Glycerin is generally safe, but in very high concentrations, it may cause irritation.
Benefits
Glycerin helps in maintaining skin hydration and improves the texture and suppleness of the skin.
Leuconostoc/Radish Root Ferment FiltrateGood
This ingredient is a natural preservative derived from fermented radish root. It helps in inhibiting the growth of harmful bacteria and fungi in cosmetic products. It is considered a safer alternative to synthetic preservatives.
Risks
There are minimal risks associated with this ingredient, though it may cause mild irritation in very sensitive skin.
Benefits
It provides antimicrobial protection and helps in extending the shelf life of the product.
Iron Oxides (CI 77499)Good
Beneficial ingredient — whole-food or functional value in this product class.
Risks
Iron oxides are generally safe, but in rare cases, they may cause mild irritation.
Benefits
They provide vibrant and long-lasting color to cosmetic products.
Water/Aqua/EauNeutral
Water is a common solvent used in cosmetics to dissolve other ingredients. It helps in forming emulsions and provides a base for the product. It is generally safe and non-irritating.
Risks
There are no significant risks associated with water in cosmetics.
Benefits
Water helps in hydrating the skin and acts as a carrier for other beneficial ingredients.
Euphorbia Cerifera (Candelilla) Wax/Candelilla Cera/Cire de candelillaNeutral
Candelilla wax is a plant-derived wax used to thicken and stabilize formulations. It provides a smooth application and enhances the texture of the product. It is generally considered safe for use in cosmetics.
Risks
There are minimal risks associated with candelilla wax, though it may cause mild irritation in sensitive individuals.
Benefits
Candelilla wax helps in forming a protective barrier on the skin, locking in moisture.
Copernicia Cerifera (Carnauba) Wax/Cera Carnauba/Cire de carnaubaNeutral
Carnauba wax is a natural wax obtained from the leaves of the carnauba palm. It is used to thicken and stabilize cosmetic formulations. It provides a glossy finish and enhances the texture of the product.
Risks
Carnauba wax is generally safe, but excessive use may lead to product buildup on the skin.
Benefits
Carnauba wax helps in forming a protective barrier on the skin and adds shine to the product.
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