Some people have no side effects, and some may have side effects such as redness and allergies, which are related to personal physique and living habits.
If you don't want rhinoplasty, you can try injecting hyaluronic acid for rhinoplasty. Hyaluronic acid is a national certified formal product, which is safe or reassuring.
Go to a regular hospital to find an experienced expert for injection, and the effect is still very good.