Hydroquinone (HQ)
- 2–4% formulations
- Effective initial option
- Short-term supervised use
Introduction
Pigmentation — including melasma, post-inflammatory hyperpigmentation (PIH), and sun-induced dark spots — is one of the most common and cosmetically concerning skin problems seen in dermatology. While it is not a medical threat, it can affect confidence and overall skin appearance.
With advances in dermatology, there are now multiple safe and effective treatment options that can significantly improve pigmentation. In this article, we explore the causes, latest treatments and practical tips to achieve clearer, healthier and more even-toned skin.
1. What Causes Pigmentation & Dark Spots?
Pigmentation occurs when melanin is produced excessively and deposited unevenly in the skin. Common causes include:
- Sun exposure and UVA/UVB damage
- Hormonal changes (e.g. melasma during pregnancy)
- Inflammation after acne, injuries or skin procedures
- Genetic predisposition
- Certain medications that can sensitize the skin to sunlight
2. The Foundation: Sun Protection & Trigger Control
Nothing works without strict photoprotection.
UV exposure can worsen existing pigmentation and increase the risk of recurrence even after treatment. Use a broad-spectrum sunscreen (SPF 50+), wear protective clothing, and avoid peak sun hours for best results.
3. First-Line Topical Treatments
Topical treatments help reduce melanin production and promote skin cell turnover. Common options include:
Retinoids
- Increase skin turnover
- Help fade dark spots
- Improve overall skin texture
Azelaic Acid /
Arbutin / Kojic Acid
- Useful alternatives or add-ons
- Suitable for sensitive skin
- Help reduce pigmentation
Topical Tranexamic Acid
- Evidence-supported option
- Useful for melasma and stubborn spots
- Often used in combination therapy
4. Oral Tranexamic Acid
Oral tranexamic acid is an effective option for stubborn melasma and persistent pigmentation. It works by reducing melanin production and has shown good results in many patients.
Treatment should be prescribed only after a detailed medical history and appropriate screening, as it may not be suitable for everyone, especially those with clotting-related risk factors.
5. Procedural Treatments
In addition to topical and oral treatments, several dermatological procedures can help improve pigmentation:
Fractional Lasers
- Non-ablative & ablative options
- Stimulate skin renewal
- Require individual calibration
Chemical Peels
- Useful for epidermal pigmentation
- Different peel types based on skin type
- Conservative approach for darker skin tones
Microneedling
- Enhances topical penetration
- Helps improve overall skin texture
- Often combined with topical depigmenting agents
6. Combination Therapy: A Step-by-Step Approach
The most effective results are usually achieved with a combination of treatments.
01
Stabilize
Topical treatment + sun protection
→
02
Assess
Consider systemic treatment where appropriate
→
03
Treat
Lasers / peels / microneedling where appropriate
→
04
Maintain
Sun protection + periodic topical care