Conducting thorough research before investing in beauty products is crucial, particularly for those with sensitive skin. Popularity doesn't always equate to compatibility, and while numerous K-beauty products have gone viral, they may not necessarily suit every skin type. If you prioritize comprehensive insights about a product before making a purchase, here are six K-beauty influencers renowned for their detailed reviews.

1. Director Pi: Director Pi's channel stands out as a prime source for in-depth insights on K-beauty products. Covering everything from pricing and ingredients to optimal skin types for each product, Director Pi diligently researches to offer viewers comprehensive information on skincare and makeup essentials.

2. Ssin: Ssin is another beauty influencer who knows her stuff. What makes her channel even more entertaining is her comedic personality.

3. Hoonion: These days, it's a bit harder to find beauty influencers who are giving honest reviews due to sponsorships coming in left and right; that's what makes Hoonion's channel so great. If you're looking for honest reviews, Hoonion makes it clear that none of the products he reviews are sponsored.

4. Yootrue on Air: For people with sensitive skin, you know how difficult it can be to find the right products that won't irritate your skin. However, with this channel, you'll be able to find great products that won't cause any irritation or reaction, as Yootrue also provides excellent insight into several beauty and skincare products that are made for sensitive skin.

5. Haeni beauty: Everyone knows that makeup artists usually have their own secret tips and tricks for flawless makeup application, and it's always those kinds of tips that really make a big difference. Well, Haeni beauty isn't gatekeeping anything. If you're looking for a channel that can give you the best tips on applying makeup so it doesn't look cakey, then Haeni is the one.

6. INBORA: If you want to hone your makeup application skills, then INBORA's channel is the place to be. From creating the perfect brow to the dos and don'ts of makeup, INBORA provides details that you otherwise wouldn't have considered regarding skincare and makeup.

It's great to see that these beauty influencers do their research to provide their viewers with the best product recommendations, whether for makeup or skincare, don't you think?