1) Creams & cosmetics

Explore the world of creams and cosmetics. Discuss the latest products, ingredients, and trends. Provide reviews, recommendations, and tips for different skin types. 

You can also delve into the science behind cosmetics, helping your readers understand what works for their skin and why.

2) Fair-tone beauty products

Fair-tone beauty products cater to a specific audience, and your blog can be the platform to highlight the best products for this skin tone. 

Review foundations, concealers, and highlighters that complement fair skin. Offer tips on choosing the right shades and discuss the challenges and solutions related to finding suitable products for fair skin tones.

3) Hairdo / hairstyles

Hairdos and hairstyles never go out of style. Share your expertise on everything from classic cuts to the latest trends in hair styling. Offer tutorials, product recommendations, and tips on hair care. 

You could also explore different hair types and provide tailored advice for each, from curly to straight, thick to thin.

Collaborate with hairstylists for expert insights.

4) Makeup

Makeup is another great beauty niche to explore. Offer tutorials for different looks, review new products, and discuss makeup techniques. 

You could specialize in a particular area, like natural makeup, or cover a broad range of styles.

Discuss the latest trends, from natural looks to bold statement makeup, and offer advice on building a versatile makeup kit.