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A substance added to another to increase its suitability (e.g., in sealant placement, acid etchant is placed on the enamel to prepare it for bonding with the sealant).


n 1. an additive substance used to increase the effectiveness of another substance.
2. a substance added to enamel that improves a sealant's ability to adhere.


involved in improving physical condition.

livestock conditioner
a person involved in special feeding programs for heavy producing dairy cows or animals being prepared for shows, exhibitions, fairs and sale. Usually done at the conditioner's premises because of the secret nature of the materials and procedures. Represents a potential health threat from infectious disease.
soil conditioner
agents such as gypsum added to clay soil to improve its physical state.

Patient discussion about conditioner

Q. Does using hair shampoo and conditioner too often or in too excess cass hair loss?

A. Chemicals used for dying, tinting, bleaching, straightening or permanent waves can cause hair to become damaged and break off if they are overused or used incorrectly. Overstyling and excessive brushing also can cause hair to fall out if the hair shaft becomes damaged.
so it really depends on which shampoo you are using and what are the materials inside it. i heard from more then one hair dresser that conditioner can cause it and shampoo for dry hair that also contains conditioner. but it could be just an urban legend...

More discussions about conditioner
References in periodicals archive ?
Global Air Conditioners Market Forecast & Opportunities, 2020" has evaluated the future growth potential of global air conditioners market, and provides statistics and information on market structure, size, share and future growth.
Finally, where a new air conditioner is purchased and installed by the owner with the written consent of the tenant, the owner may increase the rent by 1/40 of the cost the of the new air conditioner (in buildings that contain 35 or fewer apartments) or 1/60 of the cost of the new air condition (in buildings that contain more than 35 apartments).
Three out of four air conditioners are out of order at emergency ward of HFH.
Gree will supply Daikin with 500,000 home air conditioners annually for the Japanese market.
5 million air conditioners for consumer use per year at its Shiga Prefecture factory.
That far-reaching act includes rules intended to apply specifically to refrigerant recyclers and re-conditioners of refrigerators and air conditioners.
The occupants may become uncomfortable if an air conditioner runs for only five or ten minutes an hour, because the system will fail to remove enough moisture.
99 for 300ml Ideal for anyone with coloured hair, this conditioner contains cotton extract which helps to strengthen and smooth limp locks.
For maintenance check out the superb new range of shampoos and conditioners -Olive Glossing Shampoo and Conditioner to help recapture lost shine; Honey Moisturising Shampoo and Conditioner for dry, damaged and chemically treated hair; and Nettle Oil Balance Shampoo and Conditioner to reduce oil levels.
The proposed guideline, which eventually could become part of school building codes, would limit classroom noise levels to the equivalent of a quiet living room - about one-fifth the noise level many classrooms have today when air conditioners are running.
By fluorescently tagging chemicals such as potential additives for shampoos and conditioners, Ramprasad and his colleagues can also tell companies how the compounds penetrate a hair on the microscopic level.