Doctor insights on:
What is the effective dosage or percentage of hydroquinone to treat mild hyper pigmentation after healed acne?
4% is common: Usually combined with tretinoin and cortisone for maximal effect. Take a month off every few weeks to avoid paradoxical ochronosis. Once acne is controlled, the skin will gradually heal. Tretinoin [adapalene] cream or gel can be used for a long time to smooth the color and surface. ...Read more
What OTC products have hydroquinone? What's the max percent usage/dose for using it? Some products have 4% i need at least 50%?
Lots: Esoterica black and white palmers bleaching cream. ...Read more
Safe is a relative term.: The medication does cause cancer in mice. I would be a bit apprehensive if using this medication if you become pregnant. Unfortunately there's not a study that says it is safe if you're pregnant. It is frequently used over-the-counter and a 2% concentration but the 4% concentration which is felt to be most effective for smoothing the discolorations of the skin is a prescription item. ...Read more
Bleaching agent: This is more commonly known as hydroquinone and is available over the counter in2% formulations but as a prescription in 4-7% strengths. It is generally used in combo with Retin-A and topicsl steroids and kojic acid. It is a skin irritant and sunblock must be used while undergoing therapy. There are some concerns with its potential increase risk of skin cancer which has limited its use and availab. ...Read moreSee 1 more doctor answer
Sun block is key: Skin lighteners such as kojic acid, hydroquinone, and plant extracts should only be used if proper sun protection is used. Over the counter products are safe and generally contain 2% kojic acid which limit their effectiveness. They work by blocking the production of melanin which is the natural pigment in the skin cells. Always check with a dermatologist to make sure there are no contraindications. ...Read more
It's usually safe: For the most part, hydroquinone is safe for the skin. Unfortunately, there is a small percentage of patients who can react to hydroquinone. The most common reaction is redness/irritation. Additionally, we do not recommend that patients use hydroquinone consistently more than 3 or 4 months because there is an extremely rare side effect of skin darkening. We don't recommend use during pregnancy. ...Read more