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4.2ULTRAfiller+ Thickening Spray
  • “Really great formula”13:03–13:05
  • “It has the polyquaternium-68, which is a thickening polymer, panthenol, which is really great to make the hair feel thicker”
  • “This has caffeine in it. That's not going to make the hair feel thicker”
  • “This is a really good formula from the drugstore under £10”
  • “I would say use it liberally if you want maximum hold”13:56–14:01
  • “I am actually tempted to purchase some of this because the formula is the sort of thing that I would really enjoy, and I bet it gives you very springy like wave retention”
  • “If you do a blow dry, I bet it gives the hair lots of natural body”14:09–14:14
  • “It has the rice protein in it as well, which is interesting at that price point”
  • Source: How to get volume and thickness for fine hair - May 5, 2026