Citral, a natural component found in lemongrass, lemon myrtle, lemon, and orange oils, is commonly used in cosmetics and personal care products for its fragrance and flavoring properties. It functions as a fragrance ingredient and a flavoring agent. While generally considered safe, potential sensitization concerns have led to restrictions on its use in fragrances. Citral possesses antimicrobial, anti-inflammatory, and antioxidant properties, making it beneficial for skincare.
Antimicrobial: Citral exhibits strong antimicrobial activity against both gram-positive and gram-negative bacteria, as well as fungi. Anti-inflammatory: Citral may possess anti-inflammatory properties by decreasing TNF-α (Tumor Necrosis Factor-alpha) levels, a key regulator of the inflammatory response. Bug repellent: Citral is one of the active components of citronella oil, a common ingredient used in insect repellents and citronella candles. It has been shown to repel dangerous Aedes aegypti mosquitoes, which are capable of spreading dengue fever and the Zika virus. Antioxidant: Citral has antioxidant properties that help protect the skin from damage caused by free radicals.
All skin types except those with an identified allergy to it.
Potential sensitization, which can cause allergic reactions in some individuals.
Those with sensitive skin should try to avoid citral or perform a patch test with any product containing this ingredient. Use Citral-containing products as per the recommended concentration guidelines to minimize the risk of sensitization.
Citral is naturally found in the oils of lemongrass, verbena, lemon myrtle, lemon, and orange. It can also be produced synthetically.
The Cosmetic Ingredient Review (CIR) defers review of individual fragrance ingredients to the IFRA program unless the ingredient has significant uses other than as a fragrance.
EWG's Skin Deep® rates Citral as a moderate hazard ingredient, with a score of 4 out of 10. This score is based on concerns about allergies and immunotoxicity, irritation, and use restrictions.
The European Cosmetics Regulation requires manufacturers to indicate the presence of Citral in the list of ingredients if its concentration exceeds 0.001% in leave-on skin products and 0.01% in products that are rinsed off the skin. With the growing personal care and hygiene industry, the product market is anticipated to witness a surge in the demand for Citral. Citral is a natural scent alternative that is derived from plants and is considered safe for use in cosmetics and skincare products. It has a pleasant citrus scent and has been shown to have antimicrobial, anti-inflammatory, bug repellent, and antioxidant properties. Citral may also help to improve the appearance of the skin by reducing the appearance of wrinkles and fine lines. **Allergens in Cosmetics** Allergic reactions to cosmetics most often appear as itchy, red rashes on the skin – or contact dermatitis. The FDA has compiled the list below of common allergens found in some cosmetic products. These are allergens that cause most allergic reactions from the use of cosmetic products. Common allergens fall into the five classes as detailed below: natural rubber, fragrances, preservatives, dyes, and metals. **Fragrances** may be composed of several different ingredients: As noted below, these specific ingredients may not be identified on the cosmetic product label. The European Commission, which has conducted extensive research on fragrance allergens, lists the following 26 fragrance ingredients listed as allergens in Annex III of the European Union Cosmetics Directive: Amyl cinnamal Amylcinnamyl alcohol Anisyl alcohol Benzyl alcohol Benzyl benzoate Benzyl cinnamate Benzyl salicylate Cinnamyl alcohol Cinnamaldehyde Citral Citronellol Coumarin Eugenol Farnesol Geraniol Hexyl cinnamaladehyde Hydroxycitronellal Hydroxyisohexyl 3-cyclohexene carboxaldehyde (HICC), (also known as Lyral) Isoeugenol Lilial d-Limonene Linalool Methyl 2-octynoate g-Methylionone Oak moss extract Tree moss extract
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