In some cases, yes, a licensed esthetician can help improve acne.
Estheticians specialize in cosmetic, rather than medical, skin care treatments. So while they can't prescribe acne medications or treat serious acne, they can help you care for your skin and perform professional treatments.
Estheticians perform facial treatments. Facials can include may include deep cleansing, exfoliation, facial massage, and more.
Estheticans can do extractions. Extracting, or cleansing out, non-inflamed pore blockages will help your skin feel smoother and can help stop inflamed pimples from forming.
Estheticians can advise on the proper care of your skin. Your esthetician can give you great skin care tips, plus answer your most burning questions (like whether it's okay to skip your nightly cleansing).
Estheticians can recommend appropriate skin care products for your skin type. Not sure which cleanser is right for you? Want to sample a few moisturizers before buying? Your esthetician can help in these situations. They can also suggest effective over-the-counter acne treatments for you too.
A licensed esthetician can be a great partner to help you get clearer skin (although there are some things an esthetician can't do.) If you're ready to start seeing an esthetician, call your local salon or medi-spa, ask for referrals, and check out the esthetician's credentials before your appointment.
Gerson, Joel; Ph.D.. Standard Textbook for Professional Estheticians. 8th edition. Albany, NY: Milady Publishing, 1999.