4. The Ordinary Salicylic Acid 2% Solution
The Ordinary has caught the attention of beauty editors and gurus across the globe due to its simple and straightforward products that are insanely cheap. Its Salicylic Acid 2% Solution ($5) can be applied directly to blemishes to help calm them and reduce their size. It dries quickly and clearly, so you can use it during the day without anyone knowing.