7 Skincare Myths You Should Stop Believing, According to Dermatologists

When it comes to skincare, the internet is bursting with advice - some helpful, some misleading, and plenty that can do more harm than good. Viral hacks, flashy products, and quick fixes often grab attention, but many of them are myths that don’t hold up to science. Believing in these misconceptions can lead to wasted money, disappointment, and even damaged skin.

To help cut through the noise, dermatologist Dr. Jyoti Aneja shares her insights on common skincare myths and what truly works. Here’s your guide to separating fact from fiction.

Myth 1: SPF 50 Protects Much Better Than SPF 30

Fact: The difference is minimal. SPF 30 blocks around 97% of UVB rays, while SPF 50 blocks about 98%. What really matters is applying enough sunscreen and reapplying every 2–3 hours. Two fingers of broad-spectrum sunscreen work far better than chasing higher numbers.

Myth 2: Sunscreen Isn’t Needed on Cloudy Days

Fact: UV rays penetrate through clouds, which is why people can tan even on overcast days. Sunscreen isn’t seasonal - it should be a daily habit, rain or shine.

Myth 3: Collagen Supplements Don’t Work

Fact: They aren’t magic powders, but hydrolyzed collagen has been shown to improve hydration, elasticity, and fine lines when used consistently. Think of it as a long-term investment for your skin, not a quick fix.

Myth 4: Your Phone Is Causing Pigmentation

Fact: Blue light from phones and laptops doesn’t damage skin the same way sunlight does. However, prolonged exposure can aggravate pigmentation in deeper skin tones. The best defence? Daily sunscreen, antioxidants, and not holding your phone too close to your face.

Myth 5: Slugging Works for Everyone

Fact: Applying petroleum jelly as a final step can help repair dry, damaged skin - but it’s not ideal for oily or acne-prone skin. If you want to try it, use it occasionally and avoid applying it over active breakouts.

Myth 6: Skin Cycling Is a Skincare Miracle

Fact: Skin cycling isn’t a magic trick, it’s just smart planning. Alternating exfoliants, retinoids, and recovery nights helps prevent irritation and makes it easier to stay consistent. The real win lies in routine, not the trend itself.

Myth 7: Retinol Is Just Hype

Fact: Retinol’s reputation is well-deserved. Prescription tretinoin is the gold standard for anti-ageing, while gentler OTC retinol and retinal are effective for beginners. The key is patience - results take time, so think of it as a marathon, not a sprint.

What Actually Works

• Use sunscreen daily and reapply regularly
• Vitamin C in the morning, retinoids at night (introduced gradually)
• Exfoliate 1–2 times a week, not daily
• Choose moisturisers that suit your skin type and climate
• Focus on consistency, not complexity

Skincare doesn’t have to be complicated. Most myths are distractions that keep you chasing quick fixes. True skin health comes from building simple, evidence-backed routines and sticking to them. Trends may come and go, but glowing, healthy skin is built on the basics - applied consistently, every day.