Without going deeper into the topic, in reality it is enough for us to know that when we talk or write about hydrolyzed proteins we refer to components of proteins that are smaller than the proteins from which they derive.
Size is important because a protein is usually too large and cannot simulate a hair reconstruction, as smaller components can do.
These bricks bind to the hair by electrical affinity and fill the empty spaces due to the damage suffered over time by the hair.
The electrical bond that is created is not very strong but still sufficient to simulate a reconstruction of the hair and help to resume its original shape.
The content of hydrolyzed proteins in a balm is usually zero, the balms are not used to contain them with some exceptions of course. It could perhaps be said that the sealing action of a conditioner would not help hydrolyzed proteins to enter and bind to the hair since the cuticles are closing at the same time.
The hydrolyzed proteins that we can find in a mask are ideally the best to simulate a reconstruction of the stem since those contained in the leave-in have a greater film-forming function, they remain outside the stem, on the surface of the hair, by repairing external damage more than internal damage.
Finally it is important to remember that an excess of hydrolyzed proteins can have the undesirable effect of producing a dry and rough effect on hair, especially those with low porosity. We should always consider the compositions of the various products that will be used in the routine, to avoid having proteins both in the shampoo and in the mask and in the leave-in. Learning how to recognize proteins in the INCI and at what height of the list it is will give you an idea of the possible result you will get.
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