Glycerin is a naturally derived humectant—a ingredient that draws moisture from the air into your skin. It's one of the most widely used and well-studied moisturizing agents in skincare, helping skin feel softer and more hydrated.
Benefits
Attracts and retains moisture in the skin
Improves skin hydration and softness
Helps strengthen skin barrier function
Suitable for most skin types, including sensitive skin
Science: The Cosmetic Ingredient Review Expert Panel concluded glycerin is safe as used in cosmetics across all concentrations. Research shows glycerin effectively improves skin hydration and is well-tolerated with minimal irritation risk. It is also referenced in clinical guidelines for managing inflammatory skin conditions and maintaining skin integrity.
Citric acid is a naturally occurring organic acid commonly used in skincare products as an exfoliant and pH balancer. It belongs to a group of ingredients called alpha-hydroxy acids (AHAs) that help remove dead skin cells from the surface.
Benefits
Gentle exfoliation to improve skin texture and appearance
Helps reduce the appearance of keratosis and acne
Balances product pH to maintain skin compatibility
Potential concerns
Can cause irritation, redness, or sensitivity in some users, especially with prolonged or frequent use
May increase sun sensitivity — sunscreen use is recommended when using AHA products
Not suitable for very sensitive or compromised skin without caution
Science: Citric acid is an established AHA used in cosmetics for superficial peeling and skin appearance improvement, though research emphasizes that caution should be exercised due to potential adverse reactions. It is widely produced industrially and well-established in skincare formulations.
Potassium sorbate is a preservative used in skincare products to prevent the growth of mold, yeast, and some bacteria, helping extend shelf life. It's a salt derived from sorbic acid and is commonly used as a gentler alternative to stronger chemical preservatives.
Benefits
Prevents microbial contamination and mold growth
Generally considered milder than some other preservatives like benzalkonium chloride
Allows products to remain effective longer without refrigeration
Potential concerns
May cause irritation or allergic contact dermatitis in sensitive individuals
Not suitable for preservative-free formulations
Limited effectiveness against some bacteria compared to stronger preservatives
Science: Clinical research suggests potassium sorbate is less damaging to delicate tissues than benzalkonium chloride, making it a preferred alternative preservative in sensitive applications like eye products. However, peer-reviewed safety data specific to topical skincare use in the general population is limited.
Sodium benzoate is a preservative used in skincare products to prevent bacterial and fungal growth, extending shelf life. It's a salt derived from benzoic acid and is one of the most widely used preservatives in cosmetics, skincare, and food products.
Benefits
Prevents microbial contamination and extends product shelf life
Generally effective at low concentrations (0.1-0.5%)
Approved for cosmetic use by major regulatory bodies
Potential concerns
Can cause allergic contact dermatitis in sensitive individuals; identified as an allergen in medical hand cleansers
Recent research suggests long-term oral intake may affect bone health and increase osteoporosis risk, though topical skincare exposure is minimal
Science: Sodium benzoate is well-established as a safe preservative in cosmetics at typical use levels. However, emerging research indicates that chronic systemic intake may interfere with bone metabolism through the FGF2/p38/RUNX2 pathway. For topical skincare use, the exposure and absorption are minimal compared to dietary intake, but individuals with known sensitivities should avoid it.
Propanediol is a lightweight humectant—a molecule that draws water into the skin to keep it hydrated. It's also used in cosmetic formulations as a solvent and preservative booster, helping products stay stable and feel smooth on the skin.
Benefits
Hydrates and moisturizes the skin
Improves product texture and spreadability
Helps preserve formulations naturally
Science: Propanediol can be produced through bio-based fermentation (from glycerol using microorganisms), making it an environmentally friendly alternative to traditional chemical synthesis. It is widely recognized as safe in cosmetic and food applications, with established use as both a humectant and preservative enhancer.
Caprylic/Capric Triglyceride is a lightweight oil derived from coconut that acts as an emollient and helps formulations blend smoothly. It softens skin and reduces water loss by creating an occlusive barrier on the skin's surface.
Benefits
Improves skin hydration and reduces transepidermal water loss (TEWL)
Lightweight, non-greasy feel compared to heavier oils
Helps deliver other active ingredients deeper into the skin
Smooth, silky texture in skincare formulations
Science: Research shows that emulsions containing 15% caprylic/capric triglyceride significantly increase skin hydration and reduce water loss in healthy subjects. The ingredient is also used as an effective carrier oil in nanoemulsions to enhance penetration of active compounds into skin.
Xanthan gum is a natural thickener derived from fermented bacteria that helps give skincare products a smooth, gel-like texture. It stabilizes formulas and prevents ingredients from separating, while also helping products spread evenly on skin.
Benefits
Creates smooth, pleasant texture
Stabilizes emulsions and prevents separation
Improves product spreadability and application
Science: Xanthan gum is an FDA-approved, anionic polysaccharide with a long history of safe use across food, pharmaceutical, and cosmetic industries since 1969. Its performance as a thickener and stabilizer is well-established in scientific literature, with no notable skin irritation concerns reported.
Grape fruit extract is a natural ingredient derived from grapes that contains antioxidants like polyphenols and resveratrol. It's used in skincare to help protect skin from environmental damage and support a healthier complexion.
Benefits
Antioxidant protection against free radicals
May help reduce appearance of skin dullness
Generally gentle and well-tolerated by most skin types
Science: Limited peer-reviewed data available for this ingredient in cosmetic formulations. General knowledge suggests grape extracts contain polyphenols with antioxidant properties, though efficacy and stability in skincare products may vary depending on formulation and concentration.
Orange peel extract is a plant-derived ingredient made from the peel of sweet oranges, rich in vitamin C and natural citrus oils. In skincare, it's used for its antioxidant and gentle exfoliating properties, helping to brighten skin and support a more radiant complexion.
Benefits
Antioxidant protection from vitamin C content
Gentle natural exfoliation
May help brighten and even skin tone
Potential concerns
Can cause irritation or photosensitivity in sensitive skin
Citrus oils may trigger reactions in those with citrus sensitivities
May increase sun sensitivity; sunscreen recommended
Science: Limited peer-reviewed data available for this specific ingredient. General knowledge of citrus extracts suggests antioxidant potential from natural vitamin C and flavonoids, but efficacy and safety in cosmetic formulations are not extensively documented in clinical literature.
Lemon peel extract is derived from the outer rind of lemons and contains natural acids, vitamin C, and antioxidants. In skincare, it's used primarily for its potential brightening and exfoliating properties, though it's often included in small amounts for fragrance and antioxidant benefits.
Benefits
May help brighten and even out skin tone
Contains antioxidants that could protect skin from environmental damage
Gentle exfoliating properties from natural acids
Potential concerns
High concentration citrus extracts can irritate sensitive skin
Citrus ingredients increase photosensitivity—may cause sun sensitivity if used without adequate SPF
Risk of irritation or stinging, especially if skin is compromised or inflamed
Science: Limited peer-reviewed data available specifically for lemon peel extract in cosmetics. General citrus research suggests natural acids and vitamin C offer antioxidant benefits, but stability and efficacy vary greatly depending on formulation and concentration used.
Sucrose Cocoate is a natural emulsifier derived from coconut oil and sugar that helps mix oil and water-based ingredients together in skincare formulas. It's commonly used in moisturizing products to create stable, creamy textures while supporting skin hydration.
Benefits
Helps stabilize emulsions for better product texture and consistency
Supports skin hydration and moisture retention
May help strengthen the skin's natural barrier function
Derived from natural sources (coconut and sugar)
Science: Research shows sucrose cocoate creates physically stable emulsions with favorable effects on skin hydration and barrier improvement. Studies indicate it's well-tolerated in topical formulations at typical use levels (around 0.5% or less).
Jasmine flower extract is a fragrant plant ingredient derived from jasmine blossoms, commonly used in skincare for its pleasant scent and traditional skincare properties. It's included in products for its potential to soothe and refresh the skin while adding a natural floral aroma.
Benefits
Pleasant fragrance and aromatherapeutic properties
May have mild soothing and calming effects on skin
Traditionally used for its skin-conditioning properties
Potential concerns
Potential for allergic reaction or contact sensitivity in fragrance-sensitive individuals
May cause irritation in people with very sensitive or compromised skin barriers
Science: Limited peer-reviewed data available for this ingredient. Most traditional use is based on historical skincare practices rather than rigorous clinical studies, though jasmine is generally recognized as safe in cosmetic formulations at typical concentrations.
