According to wikipedia, these dark patches on the face are called melasma and it is caused by hormones changes during pregnancies.    From Wordnik.com.  [The Obnoxious 5xmom] Reference

I do a 30% peel on myself twice a year to keep my melasma at bay.    From Wordnik.com.  [Simple Skin Beauty] Reference

There are various types of melasma, depending on how deep they are in the skin.    From Wordnik.com.  [Simple Skin Beauty] Reference

Sunscreen is the best prevention for any kind of hyperpigmentation, including melasma.    From Wordnik.com.  [Simple Skin Beauty] Reference

Asian skin is usually a Type 2 or 3 and has a propensity for producing brown patches, or melasma.    From Wordnik.com.  [Simple Skin Beauty] Reference

You cannot get melasma without the sun—it triggers super-sensitive melanocytes to accelerate production.    From Wordnik.com.  [Simple Skin Beauty] Reference

If you have a similar discoloration on both sides of the mouth or both cheeks, that fits the pattern of melasma.    From Wordnik.com.  [Simple Skin Beauty] Reference

Some people with hyperthyroidism get a bronzed appearance to the skin melanoderma and even melasma on the cheeks.    From Wordnik.com.  [Simple Skin Beauty] Reference

Estrogen seems to be the primary instigator here, which is why melasma is often called “the mask of pregnancy.”.    From Wordnik.com.  [Simple Skin Beauty] Reference

TCA is “melanotoxic,” destroying melanosomes that make pigment, so this kind of peel is ideal for treating melasma or superficial discoloration.    From Wordnik.com.  [Simple Skin Beauty] Reference

TCA is also melanotoxic, which means it decimates melanosomes tiny balloons containing melanin, so it works well on pigment problems such as melasma.    From Wordnik.com.  [Simple Skin Beauty] Reference

Effects of estrogen on the skin include rash, and melasma tan or brown patches that may develop on the forehead, cheeks, or temples and may persist even after estrogens are stopped.    From Wordnik.com.  [The Ashley Treatment: A Feminist and Disability Rights Issue?] Reference

By doing so, a peel removes surface pigmentation such as brown spots and melasma, smoothes the texture, decreases acne, and even helps firm the skin and reduces the appearance of fine lines.    From Wordnik.com.  [Simple Skin Beauty] Reference

The other scary thing about melasma is they can appear during menopause too.    From Wordnik.com.  [The Obnoxious 5xmom] Reference

Although the dark patches on my neck are not melasma, I am not taking any chances.    From Wordnik.com.  [The Obnoxious 5xmom] Reference

Use a sunscreen at all times if you have melasma, as sunlight worsens the condition.    From Wordnik.com.  [WebMD Health] Reference

I'm afraid to use hydroquinone, so I thought that melasma was a condition I had to learn to live with.    From Wordnik.com.  [Epinions Recent Content for Home] Reference

If you use a product that is photo toxic there are very good possibilities that you will develop melasma.    From Wordnik.com.  [MyLinkVault Newest Links] Reference

They are primarily used for fading scars or treating skin conditions like melasma which causes discolouration.    From Wordnik.com.  [Thestar.com - Home Page] Reference

The results: improvement in issues like acne scarring, melasma, thickened tough skin, pore size, and fine lines.    From Wordnik.com.  [FASHION INDIE] Reference

A large library of videos tutorials describing various skin conditions, such as acne, age spots, and melasma is available online.    From Wordnik.com.  [PR Leap - Recent News Releases] Reference

Brightening Solution Good for treating hyperpigmentation, sun damage, melasma, post-inflammatory hyperpigmentation, and any unwanted discoloration.    From Wordnik.com.  [WN.com - Articles related to Crafting For Children: Easy To Make Matching Game] Reference

Nigrities is a name given by the older writers to certain black blotches occurring on the skin of a white person -- in other words, it is a synonym of melasma.    From Wordnik.com.  [Anomalies and Curiosities of Medicine] Reference

• Lumixyl ™ Brightening Solution Good for treating hyperpigmentation, sun damage, melasma, post-inflammatory hyperpigmentation, and any unwanted discoloration.    From Wordnik.com.  [WN.com - Articles related to Crafting For Children: Easy To Make Matching Game] Reference

TITLE Acne scars rough skin, Acne treatment, rosacea acne treatment META name = 'description' content = 'Acne scars rough skin and rosacea acne treatment, skin melasma.    From Wordnik.com.  [We Blog A Lot] Reference

It’s almost impossible to avoid melasma if you are prone to it, but do your best with sunscreen.    From Wordnik.com.  [Simple Skin Beauty] Reference

Sunscreen appears to be safe, and since sun and hormonal changes trigger melasma, it’s important to use it every day.    From Wordnik.com.  [Simple Skin Beauty] Reference

It’s important to remember that melasma is a maintenance issue, and people go through years of the discoloration coming and going.    From Wordnik.com.  [Simple Skin Beauty] Reference

A synonym of melasma.    From Wordnik.com.  [Anomalies and Curiosities of Medicine] Reference

melasma, 226–28.    From Wordnik.com.  [Simple Skin Beauty] Reference

melasma, 25, 32, 33, 226–28.    From Wordnik.com.  [Simple Skin Beauty] Reference

I had terrible melasma—it’s really distressing.    From Wordnik.com.  [Simple Skin Beauty] Reference