Lost in translation

For my Dutch blog about curly hair care I'm translating text from this article: The Nitty-Gritty Details About Hair Gel
But I have trouble understanding what is meant by "substantive to hair" in these contexts:

[...]PVP (poly N-vinyl-2-pyrrolidone) is an excellent film-former that is substantive to hair, forms clear films, and is completely water soluble.[...]

Opposed to [...]PVA (polyvinyl acetate) resists absorption of water in high humidity (which leads to better hold in damp weather conditions) and is more flexible in dry weather so it doesn’t flake, but is not as substantive to hair.[...]

And: [...]Cationic polymers (Polyquaternium) – These positively-charged polymers are very substantive to the negatively-charged surfaces of human hair[...]

Could anybody please explain (in other words) to me what it means?

TIA
2B/C-3A) fine - low porosity
Routine:
Wash: Daily Fix,SMT, Kesham, Urtekram
RO: Motions CPR Li, Inecto Cocos co, AO GPB, KCTT
acv-rinse, sometimes honey-rinse
LI: coconut oil (winter), CJBC-LI
Styling: AVG, Etos Solid Power Gel, Taft gel, CJPP, JCCC, BRHG
Plopping~Pixiecurl diffuse~clipping
KrullenWijzer.blogspot.nl

Comments

  • adthomasadthomas Posts: 5,525Registered Users Curl Neophyte
    Yes, it's real. No, you can't touch it. :wav:
  • rapunzel4everrapunzel4ever Posts: 557Registered Users
    Thank you so much, Adthomas! This is very useful!
    _____
    2b-c/3a med/fine- low porosity- normal elasticity, MB
    Blog: KrullenWijzer.nl
    2B/C-3A) fine - low porosity
    Routine:
    Wash: Daily Fix,SMT, Kesham, Urtekram
    RO: Motions CPR Li, Inecto Cocos co, AO GPB, KCTT
    acv-rinse, sometimes honey-rinse
    LI: coconut oil (winter), CJBC-LI
    Styling: AVG, Etos Solid Power Gel, Taft gel, CJPP, JCCC, BRHG
    Plopping~Pixiecurl diffuse~clipping
    KrullenWijzer.blogspot.nl

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