News

Can You Use Vitamin C and Niacinamide Together?...

Yes, you can use vitamin C and niacinamide together. Where the old warning came from, which goes on first, and how to use the pair on melanin-rich skin.

Can You Use Vitamin C and Niacinamide Together?...

Yes, you can use vitamin C and niacinamide together. Where the old warning came from, which goes on first, and how to use the pair on melanin-rich skin.

Mirabel, founder of IYASA - What Percentage of Niacinamide and Vitamin C Is Effective?

What Percentage of Niacinamide and Vitamin C Is...

What percentage of niacinamide and vitamin C is effective, how to read ingredient order, and why IYASA prints 5% vitamin C and 10% niacinamide.

What Percentage of Niacinamide and Vitamin C Is...

What percentage of niacinamide and vitamin C is effective, how to read ingredient order, and why IYASA prints 5% vitamin C and 10% niacinamide.

Mirabel, founder of IYASA - Kojic Acid Soap for Dark Knees and Elbows: Body Routine

Kojic Acid Soap for Dark Knees and Elbows: Body...

Kojic acid soap for dark knees and elbows: why the joints darken, a shower routine for melanin-rich skin, how often to use it, and what to expect.

Kojic Acid Soap for Dark Knees and Elbows: Body...

Kojic acid soap for dark knees and elbows: why the joints darken, a shower routine for melanin-rich skin, how often to use it, and what to expect.

Mirabel, co-founder of IYASA, beside a white jar of IYASA Brightening Cream, with the words One cream. Face and body.

Alpha Arbutin vs Hydroquinone: Are They the Same?

Alpha arbutin vs hydroquinone: how each works on dark spots, what the FDA and EU safety reviewers say, and which one makes sense for melanin-rich skin.

Alpha Arbutin vs Hydroquinone: Are They the Same?

Alpha arbutin vs hydroquinone: how each works on dark spots, what the FDA and EU safety reviewers say, and which one makes sense for melanin-rich skin.

Mirabel, founder of IYASA - Kojic Acid Soap Side Effects: Who Should Not Use It

Kojic Acid Soap Side Effects: Who Should Not Us...

Kojic acid soap side effects: dryness, stinging, sun sensitivity, contact dermatitis, who should not use it, and how to use it without trouble.

Kojic Acid Soap Side Effects: Who Should Not Us...

Kojic acid soap side effects: dryness, stinging, sun sensitivity, contact dermatitis, who should not use it, and how to use it without trouble.

Dark Knuckles and Elbows: Why They Happen and H...

Darker knuckles, elbows and knees are extremely common on melanin-rich skin. Here is what causes them and the gentle routine that helps even their look.

Dark Knuckles and Elbows: Why They Happen and H...

Darker knuckles, elbows and knees are extremely common on melanin-rich skin. Here is what causes them and the gentle routine that helps even their look.