Question

Exercises
1. What is the solution ?
Dark patches appear on the skin after exposure
to the sun.​

Answer 1

Answer:

A solution is a homogeneous mixture of two or more substance.

Example :sodawater,mango juice

The patches are formed because of the nature of the skin due to heat.

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Answer 2

Answer:

Sunspots (dark patches) are flat brown spots on areas of your skin that are exposed to the sunlight. These dark patches or sunspots are harmless. These spots are noncancerous. They don’t cause any risk to your health or need any treatment.

Solutions for dark patches appear on the skin:-

• Aloe vera:-  It contains active compounds which are aloin and aloesin. Both have been found to effectively lighten hyperpigmentation helpful to remove sunspots.
• Apple cider vinegar:- The acetic acid present in apple cider vinegar may help lighten sunspots on applying regularly.
• Black tea:- Applying black tea water twice a day for four weeks to dark spots had a skin-lightening effect.
• Green tea:- Green tea extract have a depigmenting effect helpful skin lightening.
• Milk:- Lactic acid in milk, sour milk, and buttermilk that may help lighten skin pigmentation including dark patches.
• Vitamin C:- The antioxidant properties of vitamin C provide several benefits including a protective effect against UVA and UVB radiations. Applying vitamin C is also an effective way to lighten dark spots caused by the sun.
• Vitamin E:- Dietary and topical vitamin E oil help protect skin against sun damage and also lighten sunspots.

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