what specific type of product do you mean? there aren't any that are specifically for gray hair. i just found that the cccc gives my hair extra shine and that gray hair looks great when it shines.
i do add ardell red/gold corrector the to the cj argan & olive oil conditioner to brighten up the white from time to time, but that is a product i add to a regular conditioner.
i am a curl junkie junkie and use most of her products. some on a daily basis, others from time to time.

i just meant any products anyone has found that gives their gray hair lots of shine, inadvertently. like oh, look how this styler, whatever... makes me hair shiny! :-)
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3a, some 2c & 3b, medium texture, porosity normal, low elasticity
washing/cowashing, conditioning, protein tx: [I] curl junkie products
leave in:cj conditioners and treatments as leave in
styling: cj aloe fix gel, cj pattern pusha, cj honey butta leave in, cj cccc, cj ciab.
sealants - jane carter nourish & shine