This shampoo is intended for hair that feels weakened, looks flat or loses its neat appearance easily. The source description specifically highlights a light after-feel, which is important for fine hair: very rich shampoos or heavy conditioning products can sometimes make fine lengths look limp soon after washing.
The formula’s role is to remove sebum, dust and styling residue from the scalp and hair surface. That makes it suitable if you wash frequently or use styling products that can leave buildup. At the same time, the conditioning part of the formula is meant to soften the hair cuticle so the lengths feel smoother and are easier to manage, rather than leaving the hair rough after cleansing.
For best use on fine hair, apply mainly to the scalp and roots, where oil and residue collect. Let the foam run through the lengths while rinsing instead of rubbing the ends aggressively. If your ends are dry or porous, use a balm or mask only on the lengths and ends, not directly at the roots, to help avoid a weighed-down finish.