What you might have been told
That your hair is just too far gone. That some hair holds a treatment and some does not, and yours does not. That you should keep trying new products until one finally works.
Here’s what’s actually happening
It was rarely the products. The diagnosis was missing. Two things quietly decide whether anything you use will land. The first is the surface of the hair. Over time it gets coated with a film from hard water and leftover product, like old make-up that never fully came off, and nothing can absorb through a surface that is coated. The second is that a mask for dryness will do nothing if what your hair actually needed was to be strengthened, or cleared, or sealed. The right treatment for the wrong need is still the wrong treatment. So it was never that your hair could not respond. It was that nothing was matched to what it was asking for.
It’s no wonder you didn’t know
You were sold products, not a plan. Nobody read your hair first and told you which step it needed, or that the surface had to be cleared before anything else could work. Buying blind and hoping is what you were left to do, and it is no wonder none of it held. That guessing was never your job to do alone.
What this means for you
A treatment only holds when it is matched to your hair, in order. At your consultation your stylist reads what your hair is doing and prescribes the right step, the way a facialist would not hand you a serum without looking at your skin first. If the surface is coated, that is cleared before anything is fed in, so the good steps can actually absorb. Matched and in the right order, treatments hold, because for the first time they are answering what your hair is genuinely asking for.