Relaxants

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Relaxants

 

substances that decrease the tonus of skeletal musculature, which is manifested by a decrease in motor activity to the point of complete immobility.

Depending on the way in which they act, relaxants are classified as curariform agents, which block transmission of excitation through the neuromuscular synapse, that is, from the motor nerves to the muscle (such relaxants are used in anesthesiology for the complete relaxation of musculature), and centrally acting substances, which influence the central nervous formations that participate in the regulation of muscle tonus. Centrally acting relaxants, such as Meprotan and Mydocalm, are used in neurological practice to treat cerebrospinal and cerebral spastic paralysis, parkinsonism, and other disorders.

References in periodicals archive ?
Although chemical processes such as relaxers have the preponderance to create damage, the benefit of producing straight hair entices ethnic hair consumers into buying these products.
Meanwhile, P&G's leading general market Pantene line has also entered the relaxer market.
The low pH conditioner acts as a shield to prevent direct contact between the relaxer and previously relaxed hair fibers.
The company's Organic Root Stimulator, which has become the nation's top-selling hair relaxer kit, is lye-free and fortified with olive oil and other ingredients designed to protect hair from damage.
4 position with a 31% increase while Lusters Products Inc.'s Pink Smooth Touch relaxer kits achieved growth of nearly 32% to become the seventh-ranked brand.
Prior to testing, tresses of African-American hair (4) were relaxed once with a standard relaxer and then treated with a standard shampoo base, SH-SL-1 (see p.
The new Creme of Nature No-Lye Relaxer, for example, is made with certified organic coconut oil and sunflower oil.
Not to be outdone, Colomer USA has launched African Pride Miracle Deep Conditioning No Lye Relaxer System to address the problems that are said to matter most to women of color--damage, dryness and irritation.
Colomer is the first company within the ethnic hair care category to add exclusive natural additives to its hair relaxer lines, Tollerson says.
The revised Creme of Nature shampoos and conditioners have added organic kiwi, citrus, red clover and lemongrass, while the new Creme of Nature Nourishing relaxer system includes organic coconut oil, which is added by consumers immediately before they relax their hair.
* Johnson Products Company announced it will restage its Gentle Treatment No Lye conditioning creme relaxer this month, which coincides with the company's 20th anniversary, and introduce Ultra Sheen line extensions.