What Should I Do If Scalp Hair Fill-Ins Slip on Very Fine Hair? If your hair is very fine, try the following:Lightly backcomb the hair to create more support.Apply a small amount of hairspray to increase grip.Attach the clip to a slightly thicker section of hair rather than the thinnest area.Choose a smaller Scalp Hair Fill-Ins size to reduce weight.Use silicone-lined or non-slip clips if needed.For extremely fine or fragile hair, consider lightweight options such as:Halo HairToppersMedical-grade adhesive systemsThese may provide more stability than traditional clip attachments.