1. 4-butyryl hydroquinone (577) 

 whitening effect The claim of "the strongest whitening and spot-lightening ingredients on the market" is actually a marketing gimmick. Melanin production involves several stages: initiation, formation, transport, and metabolism. Different ingredients have different mechanisms depending on their stage of action; 4-butyroic resorcinol is an efficient tyrosinase inhibitor that can prevent melanin production at its source, effectively improving uneven skin tone and spots, making the skin glow with radiance. Additionally, it has strong antioxidant properties, capable of neutralizing free radicals, slowing down skin aging, and maintaining youthful skin.

2. Adapaline gel controls oil and unclogs pores

Adapaline gel is suitable for patients with mild to moderate acne, those with excessive sebum secretion, those with severe pore blockage, those who do not respond well to traditional acne treatment, and those who need long-term maintenance treatment.

3. Retinoid cream for acne and melanin removal

 It is used as an adjuvant treatment for common acne, flat warts, mucosal leukoplakia, hair red pityriasis, follicular keratosis and psoriasis.

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4. Left-handed vitamin C whitening effect

L-vitamin C is a common antioxidant with the ability to whiten skin, boost immunity and promote collagen synthesis. Here are its specific effects:

1. Whitening skin: L-carnitine vitamin C can inhibit tyrosinase activity, so as to reduce the production of melanin, help reduce spots, improve skin dullness, make the skin more bright.

2. Antioxidant effect: It can effectively neutralize free radicals, reduce the damage of oxidative stress to cells, so as to delay the aging process, and help protect the skin from uv and environmental pollution.

3. Enhance immunity: L-carnitine vitamin C improves the body's ability to fight diseases by promoting the function of white blood cells, thus helping to prevent and shorten the course of diseases such as colds.

4. Promote collagen synthesis: As a key coenzyme for collagen synthesis, L-carnitine can increase skin elasticity, promote wound healing, and help maintain the health of skin and blood vessel walls.

5. Improve cardiovascular health: Studies have shown an association between adequate vitamin C intake and reduced risk of cardiovascular disease.