1, vitamin c can soften the stratum corneum, so it can be dissolved and used with facial mask, or used to soak feet.

2. Vitamin C water can relieve itching on the skin bitten by mosquitoes.

3. Put it on toothpaste to clean and whiten teeth.

4, can be mixed in water, watering some flowers and plants is also very good.

Extended data:

First, the main function of vitamin C effervescent tablets

1, enhance the body's resistance, and be used to prevent and treat various acute and chronic infectious diseases or other diseases, such as colds.

2. It is used for adjuvant treatment of post-illness recovery period, wound healing period and allergic diseases.

3, used for the prevention and treatment of scurvy.

Second, vitamin C effervescent tablets are not recommended for long-term drinking.

At present, the common vitamin C effervescent tablets on the market contain about 100 mg of vitamin C per tablet. Generally speaking, taking 30 mg of vitamin C every day can meet the needs of the body, and 100 mg is already a pharmacological dose. At the same time, taking a large dose of vitamin C for a long time will gradually adapt to the high concentration of vitamin C. Once the drug is stopped, it will lead to symptoms related to vitamin C deficiency, from gingival bleeding in the morning to subcutaneous ecchymosis in severe cases.

In addition, taking a large dose of vitamin C for a long time will increase the risk of various lithiasis, and it is more difficult for patients with various lithiasis to take a large amount of vitamin C for a long time. Note that even if you take vitamin C effervescent tablets once a day when you have a cold, the course of treatment should not exceed 5 days. Long-term use is not recommended.

Third, the precautions for taking vitamin C effervescent tablets

1, not long-term overdose.

2. Pregnant women taking more than the recommended dose may induce neonatal scurvy.

3. Patients with gout and lithiasis should use it with caution.

Reference: Baidu Encyclopedia-Vitamin C effervescent tablets