Freckles are yellow-brown dot-shaped pigmentation spots that occur on the facial skin. They mostly occur in children aged 3 to 5 years old and often increase with age. Its formation is caused by autosomal chromogenic inheritance and is aggravated by sun exposure.
Dark spots are also called black spots, and their causes can be divided into two types: congenital and acquired. Most of the congenital dark spots are birthmarks; the other part is the acquired nevus of Ota that occurs on the face of Oriental people. The color will be deepened due to internal factors such as pregnancy or hormonal imbalance, or external factors such as sunlight exposure. Acquired dark spots are now mostly occupational melanosis.
Chloasma is an acquired localized hyperpigmentation disease that occurs on the face and appears light brown or brown. It is the most common skin disease among women. It is also known as butterfly spots, pregnancy spots, liver spots, etc. These are the same type. Diseases are named according to their shape, age characteristics, etc. Its formation is mostly caused by genetic factors, ultraviolet radiation, and endocrine disorders.
Sun spots generally refer to solar dermatitis, which is an acute damaging skin reaction caused by the skin being exposed to strong light. The affected skin manifests as redness, swelling, burning, pain, and even blisters, burning, skin desquamation and other symptoms.
safety and reliability", and "efficient decolorization".
pigmentation and freckles.
β-Arbutin (Whitening Materials)
Source: China Food and Drug Network
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