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    Citrus Aurantium

    1. Citrus Flavonoids with Skin Lightening Effects –Safety and Efficacy Studies.
    S. Kiefer, M. Weibel, J. Smits, M. Juch, J. Tiedtke, N. Herbst. Sabine Kiefer, Michaela Weibel Julian Smits, Mathias Juch Jane Tiedtke, Norbert Herbst Cosmetochem International AGSennweidstrasse 44/466312 SteinhausenSwitzerland.

    "A youthful appearance is not only related to the absence of wrinkles but also to skin radiance and an even skin tone. Many cosmetic ingredients are used to lighten skin by the inhibition of tyrosinase, the rate-limiting enzyme in melanin formation. Flavonoids, as major constituents of the human diet, have many well-known beneficial qualities. The aim of this study was to find the ideal composition of flavonoids from various citrus extracts for an effective skin lightening cosmetic ingredient. A chosen blend of citrus extracts was tested for safety and in vitro efficacy. No cytotoxic effects up to 0.8mg/ml could be detected and inhibition of human tyrosinase was 60% at 0.4mg/ml. The blend of citrus extracts was liposomal-encapsulated, incorporated into a cosmetic formulation at 1%, and then tested for stability and skin irritation capacity, as well as eye irritation and mutagenic potential and exhibited a very good safety profile. Finally the product was studied in vivo on Caucasian skin for efficacy during 56 days and showed marked skin brightening effects at a concentration of 1% (0.4mg/ml). This liposomal-encapsulated citrus flavonoid blend is effective at 1% in a cosmetic formulation to fade age spots and brighten skin tone."

    2. Lime: A Natural Skin Whitener.
    Gorgeous and Healthy feel gorgeous and healthy everyday. June 30, 2011.

    "Humans have a skin color that is not equal to each other. In addition to genetic factors, there are also some other factors, such as climate and weather. Facial skin is the most important part, especially for women. Therefore, women made several attempts to make the skin become white and clean and attractive. Initially, both medicine and in beauty salons, skin whitening done by exfoliating dead cells by products with active ingredients, simply by consuming and membalur body (certain parts of the body) with lemon, the skin becomes more white. In addition to nutrient-rich, orange is also rich in substances such as bioflanid, limonene essential oil, citric acid, acetic linalin, and fellandren that can cure the disease cough, reduce fever, increase sexual desire, and make a melodious sound. One of the benefits of lime in the field of beauty is the amount of vitamin C that can make your skin white, smooth, and fast. This fruit contains vitamin C for antioxidant benefits. Vitamin C has L bond in every molecule, great to brighten skin tone."

    3. Treatment of Various Diseases & Skin Care Naturally by Utilizing Lime (Citrus Aurantifolia).
    Synothemtrends, under Health Care Services.

    "Lime juice contains citric acid which has a low pH (acid) so that it can help (exfoliation of dead skin cells). For acne, oily skin face and is alkaline, use of lime can neutralize the ph to a natural state. It also can reduce the growth of bacteria that cause acne. In addition to the skin with acne, lime juice is also efficacious to whiten and smooth the skin: The trick is to rub lime pieces of skin on the face and other body parts that look dull or rough. Certainly, your skin will be whiter and more delicate."