显示标签为“123-31-9”的博文。显示所有博文
显示标签为“123-31-9”的博文。显示所有博文

2013年7月15日星期一

Cautiously use of Hydroquinone

Before using hydroquinone cream for the first time, apply a small amount to an unbroken patch of skin and check in 24 hours for itching, blistering, or excessive redness or irritation. If these effects develop, contact your doctor as soon as possible and do not use hydroquinone cream on other areas.

Wash and completely dry the affected areas. Gently rub the medicine in until it is evenly distributed. Wash your hands immediately after using hydroquinone cream, unless your hands are part of the treated area.If you miss a dose of hydroquinone cream, use it as soon as possible. If it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule. Do not use 2 doses at once. Ask your health care provider any questions you may have about how to use hydroquinone cream.

Here is some important safety information about using hydroquinone cream, which you must know:
1. Protect your skin from the sun during and after the use of hydroquinone cream. Limit sun exposure, use a sunscreen, and wear protective clothing to cover the treated areas.

2. Hydroquinone cream is for external use only. Avoid getting hydroquinone cream in your eyes, nose, or mouth, or on your lips. If you get hydroquinone cream in your eyes, wash them out with water and contact your doctor. If you get hydroquinone cream on your lips or in your nose or mouth, rinse with water.

3. Do not use hydroquinone cream on irritated or injured skin.

4. Do not use hydroquinone cream with products that contain hydrogen peroxide or benzoyl peroxide. This may cause a dark staining of your skin. The staining can be removed by stopping use of the peroxide and washing your skin with soap and water.

5. Do not use hydroquinone cream with other medicines containing resorcinol, phenol, or salicylic acid unless otherwise directed by your doctor. Some of these products contain sulfites, which can cause allergic reactions in certain individuals (eg, asthma patients). If you have previously had allergic reactions to sulfites, contact your pharmacist to determine if the product you are taking contains sulfites.

6. Hydroquinone cream is not recommended for use in CHILDREN younger than 12 years of age. Safety and effectiveness in this age group have not been confirmed.

7. PREGNANCY and BREAST-FEEDING: If you become pregnant, discuss with your doctor the benefits and risks of using hydroquinone cream during pregnancy. It is unknown if hydroquinone cream is excreted in breast milk. If you are or will be breast-feeding while you are using hydroquinone cream, check with your doctor or pharmacist to discuss the risks to your baby.




Frankie is the freelance writer for e-commerce website in the chemistry. Guidechem.com is just a place for you to look for some chemicals. Our guidechem provide the most convenient conditions for the international buyers and let these leads benefit all the business people. Guidechem chemical B2B network provides information on china and global chemical market quotation and relative chemical Information. Guidechem Chemical Network providing the most complete information of the chemical industry.

2013年7月9日星期二

Making Hydroquinone Cream by myself

Before telling you the way to make Hydroquinone Cream by ourselves, I should introduce you some basic knowledge of Hydroquinone.

Hydroquinone, also benzene-1,4-diol or quinol, is an aromatic organic compound that is a type of phenol, having the chemical formula C6H4(OH)2,getting the CAS NO: 123-31-9 . Its chemical structure is not complicate, two hydroxyl groups bonded to a benzene ring in a para position. It is a white granular solid. Substituted derivatives of this parent compound are also referred to as hydroquinones.

Hydroquinone cream is used as a skin bleaching treatment. The cream mainly treats liver spots, melasma, acne scars, freckles, and any other form of skin discoloration. Some individuals even choose to use the cream to lighten entire areas of the body. In the U.S., creams with 2% hydroquinone or less can be purchased over-the-counter and creams with 4% concentrations can be prescribed by a physician. For many, purchasing these creams can become expensive, so they find that mixing their own is more affordable. 

Now, you have got some things about Hydroquinone and Hydroquinone cream, so let’s do our real job, teaching you how to make Hydroquinone Cream in your home. We have 4 steps:
1. Mix 3ml water and 5g hydroquinone powder in a bowl using a spoon. Continue to stir until all the hydroquinone powder is dissolved.
2. Mix 15g Retin-A cream, 15 g Lidex cream and 50g Eucerin cream separately in the second bowl until all ingredients are blended together. You can use the same spoon you used to mix the hydroquinone solution.
3. Pour the hydroquinone solution into the bowl containing the creams and thoroughly mix the ingredients together.
4. Pour the mixture into a small airtight container for storage.

Simple four steps you have got the expensive Hydroquinone cream, but before you use it I must give you my two warnings.
1. Before using any mixture of hydroquinone cream, you should first see a physician or a dermatologist.
2. Hydroquinone is a chemical and can cause adverse reactions to the skin.

At last, enjoy your life everyday.


Frankie is the freelance writer for e-commerce website in the chemistry. Guidechem.com is just a place for you to look for some chemicals. Our guidechem provide the most convenient conditions for the international buyers and let these leads benefit all the business people. Guidechem chemical B2B network provides information on china and global chemical market quotation and relative chemical Information. Guidechem Chemical Network providing the most complete information of the chemical industry.

2013年7月7日星期日

We should take care of Hydroquinone in some products

First of all,let me tell you what is Hydroquinone. Hydroquinone, also benzene-1,4-diol or quinol, is an aromatic organic compound that is a type of phenol, having the chemical formula C6H4(OH)2,getting the CAS NO: 123-31-9 . Its chemical structure is not complicate, two hydroxyl groups bonded to a benzene ring in a para position. It is a white granular solid. Substituted derivatives of this parent compound are also referred to as hydroquinones.

In human medicine, hydroquinone is used as a topical application in skin whitening to reduce the color of skin. It does not have the same predisposition to cause dermatitis as metol does. This use is banned in some countries, including the member states of the European Union .under Directive 76/768/EEC:1976.
Regular use of hydroquinone can cause serious irritation of the skin, especially for people that already have sensitive skin or allergies. 
In some cases, hydroquinone can cause extreme redness, itching or even a burning sensation when it is applied to the skin.

Although Hydroquinone is not suitable for every patient who is suffering with skin disease, especially healthy people, Hydroquinone usually used in many daily use products. You may think I had never contract with Hydroquinone, but Hydroquinone isn’t used on its own–meaning you won’t get a prescription or buy an over-the-counter product called hydroquinone. In fact, hydroquinone usually only makes up a small percentage of the topical product it is used in.

Many of the other ingredients used in products that contain hydroquinone can also cause skin irritation and damage the skin, especially combined with hydroquinone. Even small amounts of hydroquinone can increase your chances of a negative reaction to other ingredients within a skin lightening product.

Hydroquinone works to reduce the amount of melanin your skin produces, which in turn makes your skin lighter in appearance however, doing this makes your skin more susceptible to UVA and UVB rays that can lead to dangerous sunburns, and over a prolonged period of time, an increased risk of certain types of skin cancer. Hydroquinone also makes your skin more susceptible to sun damage, much the same way topical treatments like salicylic acid do.

Most manufacturers tell users to limit their sun exposure when using hydroquinone treatments, but many people use them for a considerable amount of time, and few people are willing to avoid the outdoors completely. Some people are surprised by how bad severe a sunburn can be or how irritated their skin becomes because of prolonged sun exposure when using topical products that contain hydroquinone.

Hydroquinone is not a bad thing, we should use it in a right way. As a consumer what we should do is that taking a care of the products which is combination with Hydroquinone.


Frankie is the freelance writer for e-commerce website in the chemistry. Guidechem.com is just a place for you to look for some chemicals. Our guidechem provide the most convenient conditions for the international buyers and let these leads benefit all the business people. Guidechem chemical B2B network provides information on china and global chemical market quotation and relative chemical Information. Guidechem Chemical Network providing the most complete information of the chemical industry.