Dr. Saurabh Sethi of California reveals how drinking lemon water daily could be the secret to looking youthful. Some of the benefits of drinking lemon water are boosting collagen production and introducing important minerals into the body. Dr. Saurabh Sethi of California reveals how drinking lemon water daily could be the secret to looking youthful. Some of the benefits of drinking lemon water are boosting collagen production and introducing important minerals into the body.