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About Me

About Me

Hi there! I'm Rayo Johnson, a pharmacologist with a passion for making skincare science accessible to everyone. Welcome to Skin Science Hub, where we bridge the gap between complex research and real-world skincare solutions.

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Blog

  • 10 best niacinamide serum for every skin type

    10 Best Niacinamide Serums for Every Skin Type

    Read More 10 Best Niacinamide Serums for Every Skin TypeContinue

  • woman with hormonal acne on chin and jawline

    Hormonal Acne: Why It Targets Your Jawline and Chin, and What to Do About It

    Read More Hormonal Acne: Why It Targets Your Jawline and Chin, and What to Do About ItContinue

  • 12 Best Retinol Serums

    12 Best Retinol Serums of 2026, Reviewed by a Pharmacologist

    Read More 12 Best Retinol Serums of 2026, Reviewed by a PharmacologistContinue

  • Retinol vs tretinoin products side by side comparison

    Retinol vs Tretinoin: Which One Do You Actually Need?

    Read More Retinol vs Tretinoin: Which One Do You Actually Need?Continue

  • Skin purging vs breakout comparison showing purging spots concentrated in typical acne-prone areas and breakout spots appearing somewhere new

    Skin Purging vs Breakout: 4 Signs to Tell the Difference

    Read More Skin Purging vs Breakout: 4 Signs to Tell the DifferenceContinue

  • Over-the-Counter Retinol for Acne: How to Use It Without Irritating Your Skin

    Over-the-Counter Retinol for Acne: How to Use It Without Irritating Your Skin

    Read More Over-the-Counter Retinol for Acne: How to Use It Without Irritating Your SkinContinue

  • applying retinol serum to skin at night to treat hyperpigmentation and dark spots

    Retinol for Hyperpigmentation and Fading Dark Spots

    Read More Retinol for Hyperpigmentation and Fading Dark SpotsContinue

  • Close-up of a woman's jawline showing mild acne, including blackheads and papules

    Different Types of Acne (With Pictures) and How to Treat Each One

    Read More Different Types of Acne (With Pictures) and How to Treat Each OneContinue

  • Retinol serum, niacinamide, vitamin C and AHA skincare products arranged on a white surface

    Can You Use Retinol with Vitamin C, Niacinamide, and AHAs?

    Read More Can You Use Retinol with Vitamin C, Niacinamide, and AHAs?Continue

  • bakuchiol vs retinol serum comparison flat lay

    Bakuchiol vs Retinol: Which One Works Better for Your Skin?

    Read More Bakuchiol vs Retinol: Which One Works Better for Your Skin?Continue

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