What is the difference between silk peptide powder and silk protein powder?

I've heard silk peptide powder is good for hair, as well as silk protein powder. What is the difference between the too? Do they have different effects on the hair? Which one lasts longer in the hair?|||Silk Peptide--main use:cosmetic


It's hydrolyzed silk protein (fibroin) with average molecular weight between 500-10000Da, white powder, soluble in water, its PH value between 5 to 7, positive ninhydrin reaction.





Silk protein powder(fibroin powder)-main use:cosmetic


after special treatment silk, Using physical methods to smash, average size have 4 kinds :2micron, 5micron, 10micron, 40 micron


molecular weight: 300,000Da