The answer to this is varies on your payment habits. A personal loan affects your credit score like any other form of credit and it might get hurt if you fail to make on-time payments. Any late payments or failed payments if reported to the credit agencies and it will significantly damage your credit score.
Your loan payment will have a significant impact on your credit as your payments history holds 35% of your credit score. Therefore, making timely payments have become essential to maintain or to build a good credit score. Every missed or failed payment can hurt your current credit record badly.
A personal loan triggers a hard credit check that can temporarily lower your credit score. Any hard enquiry typically stays on your credit report for two years, but only affects your credit score in the first year. Developing a history of on-time payments can help in building a good credit score in the long term.