When considering using a product for skin dark circles without a doctor's prescription, it's important to keep a few key points in mind:

• Identify the product ingredients: Some over-the-counter creams and serums are safe and effective for mild dark circles, especially those containing ingredients like vitamin C, caffeine, or hyaluronic acid.

• Understand the cause: Dark circles can result from various factors such as genetics, allergies, lack of sleep, or skin pigmentation. Knowing the cause helps in choosing the right treatment.

• Patch test: Before applying any new product to your face, do a patch test to check for allergic reactions.

• Consult a healthcare professional if unsure: If dark circles are persistent, worsening, or accompanied by other symptoms, it's best to seek medical advice.

• Avoid harsh chemicals: Products with strong bleaching agents or steroids should not be used without medical supervision.

In summary, while some products can be used safely without a prescription, it's important to choose them carefully and monitor your skin's response. If in doubt, consulting a dermatologist is the safest approach.