Is starting injectables in your twenties worthwhile
Whether starting early pays back depends on a cost and a benefit that both have to be measured, and marketing copy about starting early rarely measures either. This article does not give a yes or no. It sets out what to ask and where to check, using Botox as the example. Before any consult, read the American Society of Plastic Surgeons page on botulinum toxin so you have a neutral description to hold the sales conversation against.
Start with the claim being made
"Preventative" is a framing, not a measurement. Notice whether the person is describing something they see in your face today or a general idea about age. Both can be reasonable to discuss, but they are different claims and need different evidence.
Questions that test the claim
- What exactly is being prevented, and what is that based on?
- Is the recommendation about my face or about my age group?
- What would you expect to see in a year if I waited?
Work out the recurring cost
Ask whether a treatment started in your twenties is one you would be asked to repeat. Ask for the full cost of a visit, how often visits are expected and what your plan looks like if you stop. A headline per-visit figure is not the yearly figure. The Cleveland Clinic page on Botox Cosmetic uses and side effects is worth reading before you compare quotes, so you know which questions the sources raise.

Compare against not treating
A return only means something against a baseline. Ask the provider what the alternative is, including doing nothing for now, and what they would expect to change in that case. If the answer is vague, treat the benefit as unmeasured.
Check who is doing the treatment
Ask about the person holding the syringe as well as the product: who will treat you, what their training is and how they handle a result you are unhappy with. The Cleveland Clinic explainer on botulinum toxin injections, results and side effects gives you a second description to read next to the provider's own.
Reasons to wait
Wait if you cannot get clear answers to the questions above, if you feel pushed to decide at the consult, or if the quote includes a package you do not understand. None of these means the treatment is wrong for you. They mean the numbers are not yet checkable.
Starting because of a reason, not an age
Do not start because of an age number. Start, if at all, because a licensed provider can explain what they expect for you, what it will cost over time and what you would do if you stopped. The ASPS post on what you need to know about Botox is a sensible last read before you book. This site is an independent explainer and treats no one, so the decision to start belongs with you and a licensed provider.