Hi it is not that the Bio team do not like tips it is that natural nails do not like tips and Bio is all about looking after the natural nail.
So the best way to protect the natural nail is to apply a layer of clear gel first then remove the sticky layer and then with the soft grey sponge buff over area where tip will be glued onto.
Or apply your tip as normal
1st layer is clear gel
2nd layer is S Gel to build upper arch and to balance out the weight of the plastic tip. Remove sticky layer then buff if you need to shape the nail.
Next apply your French -- Pink, white and S gel last. Wipe over with Bio Nail polish remover for shine
OR
Colour x 2 then S Gel. wipe over with Bio Nail polish remover for shine.
Refill in 2 weeks, it may take 2 refill for natural nails to be the length client wants before soak off.
Please make sure your tips are well applied no air bubbles in glue, and tip is the correct size for the nail, also be careful not to buff on natural nail when blending tips. All the best.