What is the highest percent of hydroquinone?

What is the highest percent of hydroquinone?

4 percent
To obtain hydroquinone over the counter products with concentrations higher than 2 percent, you will need a medical prescription. However, the maximum concentration for prescription hydroquinone is usually only set at 4 percent.

How long does it take hydroquinone 8 to work?

When using hydroquinone, patients should not expect to see drastic results right away. It can take approximately 4-6 weeks of daily (or even twice daily) hydroquinone application before dark spots will begin to fade. After 8-12 weeks, optimal results should appear and overall skin tone will become more even.

What is prescription strength hydroquinone?

Most prescription-strength hydroquinone formulations contain 3–4%, but concentrations as high as 10% may be available through compounding pharmacies. When prescribed by a physician, it is often combined with other actives, such as tretinoin, retinol, vitamin C or glycolic acid.

Does hydroquinone permanently remove dark spots?

Does Hydroquinone Permanently Remove Hyperpigmentation? The effect of using hydroquinone to reduce hyperpigmentation and dark spots is temporary. After you discontinue using it, then the dark spots can return as the skin begins to renew its production of pigment.

Is it safe to use 6 hydroquinone?

To date, hydroquinone is deemed safe in the United States. There isn’t any clinical evidence currently to suggest that hydroquinone is harmful to humans. However, minor side effects are still possible. It may cause a temporary uptick in redness or dryness at first, especially if you have sensitive skin.

How long does 6% hydroquinone take to work?

8-12 weeks
It can take at least 4 weeks and even up to 8-12 weeks to notice results from using a hydroquinone tretinoin cream. Application is often done once daily at bedtime. A broad-spectrum sunscreen is recommended for daily use as well. Many patients will experience mild side effects like redness and itching.

What happens if you use too much hydroquinone?

Chronic adverse events related to exposure to hydroquinone are of greater concern. These complications include ochronosis, nail discoloration, conjunctival melanosis, and corneal degeneration. Ochronosis is the most common chronic complication related to long-term use of hydroquinone.

Will hydroquinone fade age spots?

Age spot treatments include: Medications. Applying prescription bleaching creams (hydroquinone) alone or with retinoids (tretinoin) and a mild steroid might gradually fade the spots over several months. The treatments might cause temporary itching, redness, burning or dryness.

Is 12% hydroquinone safe?

“Hydroquinone is definitely safe,” adds New York dermatologist Robert Finney, MD. “I usually start at 4 percent but will go up to 12 percent in tougher cases.

Is it safe to use 10 hydroquinone?

What will happen if I stop using hydroquinone?

Hydroquinone may prove beneficial for a maximum of five to six months. Once you stop using it, you may experience irritation on the affected parts of your body. This may lead to inflammation. This inflammation may be dangerous as your skin then begins to build resistance to the treatment after a certain time.