Xue Qin quickly called over the two women wearing masks. Lin Yu then introduced them, saying, "This is Sister Wang, and this is Sister Zhao. Both of them developed severe skin allergies after using the cosmetics our company represents. They’ve been getting injections at the hospital for several days without any improvement. Since my grandfather isn’t in Qinghai, I had to bring them to you."

  Her tone was anxious and helpless. If this matter were to get out, it would be a devastating blow to their company.

  "And you have the nerve to say that! Such expensive cosmetics, and they’ve almost ruined our faces! Is this makeup or poison?!"

  "Exactly! Aren’t you afraid of divine retribution for earning such ill-gotten money?"

  "I’m going to report this to the Food and Drug Administration. Let’s see if they don’t shut your company down!"

  The wealthy women who had accompanied them spoke up fiercely, one after another. For these women, their faces were their utmost priority. Having spent so much money only to end up with such results, they were naturally furious.

  Lin Yu ignored them and walked over to the two patients, gesturing for them to remove their masks and sunglasses.

  The two patients' faces were swollen and red, covered with granular red bumps that densely covered their entire faces. One of the women also had several red patches on her face, which looked utterly alarming.

  "Is it itchy?"

  Lin Yu put on gloves and carefully examined their faces before asking.

  "Yes, a little itchy," Sister Wang nodded.

  "Mine is very itchy, but I don’t dare scratch it. It stings terribly if I do," Sister Zhao added quickly.

  Although Lin Yu seemed young, for some reason, his focused examination made them feel inexplicably reassured. They unconsciously began to trust and rely on him.

  "If I’m not mistaken, you’ve been using the product longer than Sister Wang, right?" Lin Yu asked Sister Zhao.

  "Yes, yes! How did you know? I used it for one more week than she did, and then suddenly these red bumps appeared. At first, I didn’t pay much attention, thinking it was due to staying up late. But before I knew it, they had spread all over my face," Sister Zhao nodded urgently.

  "Did you bring the cosmetics you used? Could I take a look?" Lin Yu asked.

  "Yes, yes, I brought them."

  Sister Wang quickly pulled a small blue bottle from her pocket and handed it to Lin Yu. It was a well-known international brand, the kind where even a small jar of eye cream cost thousands.

  Lin Yu glanced at the ingredients listed on the cosmetics, then scooped out a bit with his finger, smelled it, and nodded. "The cosmetics are fine, but both of you have sensitive skin that’s prone to allergies. You’ve often experienced itching in your hands and feet during late autumn and early spring, haven’t you?"

  Actually, Lin Yu didn’t need to examine the cosmetics. He had already identified the cause of Sister Wang and Sister Zhao’s condition at a glance. The reason he checked the cosmetics was to clarify for Xue Qin that the product itself was not of poor quality.

  "Yes, yes! Sometimes, for no reason, my arms and legs would start itching."

  Sister Wang and Sister Zhao nodded urgently in response.

  "Your symptoms are what traditional Chinese medicine calls 'wind exposure' and Western medicine calls 'acute urticaria.' Please wait a moment. I’ll prepare some medicine for you to apply. You should see results within the day," Lin Yu said calmly.

  "Really? You can see results within the day?" Sister Wang exclaimed in surprise, unable to believe it.

  Both she and Sister Zhao had received several days of protein implant immunotherapy, laser treatment, and histamine human immunoglobulin injections at the hospital without any effect. Now, Lin Yu claimed they would see results within the day? It seemed unbelievable.

  "Young man, you’re boasting too much! How can such severe symptoms improve within a day?!"

  "Exactly! Even recovery would take several days, right?"

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  "Such bragging must be fake. I think we should leave quickly before he makes things worse."

  "Right? If our faces are permanently scarred, it wouldn’t be worth it."

  The four wealthy women sitting nearby chattered among themselves.

  Sister Wang and Sister Zhao also hesitated, exchanging glances as if unsure what to do.

  "Sister Wang, Sister Zhao, please trust him. He is a very skilled traditional Chinese medicine doctor. Since the injections haven’t worked for you, why not let him try?" Xue Qin urged anxiously.

  "Alright, I’ll let him try. But if anything goes wrong, I won’t let you off!" Sister Wang hesitated but finally agreed.

  Lin Yu had already turned around to gather herbs from the medicine cabinet. He then went into the inner room, found a mortar, ground several herbs into powder, poured it into a medicine jar, added some water, and stirred the powder into a paste.

  "Ladies, please go inside and wash your faces."

  Lin Yu instructed Sister Wang and Sister Zhao to go inside and wash their faces. Then, using a medicine spoon, he applied the herbal paste to their faces.

  "Hey, what is this black stuff? Could it cause problems?"

  "It looks so scary!"

  "Old Wang, Old Zhao, if you feel any discomfort, speak up immediately."

  The four wealthy women couldn’t help but sweat nervously for Sister Wang and Sister Zhao. The herbal paste in Lin Yu’s hands didn’t look very appealing and had a strong herbal smell.

  Sister Wang and Sister Zhao were initially worried, but after applying it, they found it surprisingly comfortable. The paste felt cool and refreshing on their faces, as if all their pores had opened up and were breathing. It was incredibly soothing.

  "Alright, wash it off after half an hour and apply another layer," Lin Yu said after applying the paste, asking them to wait patiently.

  "What did you apply on them?" Xue Qin asked curiously, walking over to Lin Yu and lowering her voice.

  "Chinese medicine," Lin Yu replied. "Don’t worry. After one more application, their faces will return to normal. Acute urticaria is easy to treat. The formula I prepared not only treats the condition but also makes their skin fairer and smoother. They won’t trouble you again."

  "It can also make their skin fairer and smoother?!" Xue Qin exclaimed in surprise. "Is this your own formula or an ancient recipe passed down in traditional Chinese medicine?"

  "It’s my own formula. Why? Don’t worry, it will definitely work," Lin Yu said, looking at her strangely. Her excitement made him think she didn’t trust him.

  "So, if ordinary people use it, will it have the same effect?" Xue Qin asked excitedly.

  "Of course. If patients can use it, ordinary people certainly can," Lin Yu said with a smile.

  "How effective is it?" Xue Qin couldn’t wait to ask.

  "You’ll see when they’re done. I’m not sure how effective it will be, but it should be much better than the international brands you’re selling."

  Lin Yu spoke confidently. The herbal paste he prepared was fundamentally different from these cosmetics. Made purely from Chinese herbs, it had absolutely no side effects and no allergens.

  The strength of traditional Chinese medicine lay in the many pure natural plant-based ingredients that Western medicine could never synthesize.

  Xue Qin was thrilled after hearing Lin Yu’s words, as if she had sniffed out a huge business opportunity. If the effects were truly as Lin Yu described, marketing this herbal paste as a skincare product could be incredibly profitable.

  Moreover, since Lin Yu had prepared it himself, it would be exclusively theirs. With her business acumen, she could definitely make this skincare paste famous domestically and even compete internationally with major brands.

  However, this was still just a beautiful idea. The actual effects of the paste would depend on how it worked for Sister Wang and Sister Zhao.

  Half an hour later, Lin Yu asked Sister Wang and Sister Zhao to wash off the paste. The redness and bumps on their faces had significantly reduced, revealing large areas of fair skin.

  "Oh my god, it really works!"

  "In such a short time, the bumps are gone?"

  "This is amazing! What is this stuff?"

  The wealthy women exclaimed in amazement, looking curiously at the herbal paste in Lin Yu’s hands.

  Lin Yu applied another layer of the paste to Sister Wang and Sister Zhao’s faces, this time thicker than before, so they had to wait a bit longer.

  Once the time was up, Sister Wang couldn’t wait to wash off the paste. When she saw herself in the mirror, she screamed in delight.

  The bumps on her face had completely disappeared, and her skin had become fair and tender. Even the wrinkles at the corners of her eyes had lightened, making her look at least five or six years younger.

  The other women were startled by her scream, thinking something had gone wrong. They rushed over, but when they saw Sister Wang’s face, they also screamed and eagerly reached out to touch her skin.

  "Oh my god, this is unbelievable! Is this some kind of miracle drug?"

  "How is this possible? How could her skin become so good in such a short time?"

  "It’s so tender and fair! Even better than the effects of hydrating injections!"

  Hearing their screams, Sister Zhao quickly went to wash her face. Her face had also returned to normal, looking even fairer than before. Even the freckles on her nose had lightened.

  She trembled as she gently touched her face—soft and smooth—and then burst into tears of joy.

  Xue Qin was also stunned speechless by the scene, her face full of disbelief.

  "Don’t get too excited. This is just a temporary effect after applying the medicine. But their urticaria is indeed cured. Just be more careful with what you eat when you go out," Lin Yu reminded them.

  "Doctor! What is this paste made of? Sell me some!"

  The woman in the yellow dress who had mocked Lin Yu earlier rushed over excitedly and grabbed his arm.

  "Doctor, sell me some too! I’ll pay any price!"

  "Me too! I want some too!"

  The wealthy women immediately surrounded Lin Yu tightly.

  "Sorry, I only sell this to patients."

  Lin Yu refused. Grinding that one jar of paste had already made his wrist sore. If each of them wanted a jar, he’d be exhausted.

  "Come on, Doctor, just sell us some!"

  "Yeah, handsome, I’ll give you anything you want, okay?"

  "Don’t be so stingy!"

  These women, having experienced life, were naturally more open. To buy Lin Yu’s herbal paste, they didn’t hesitate to act coy, their bodies brushing against his intentionally or unintentionally.

  Lin Yu had never encountered such a situation before and blushed, momentarily at a loss for what to do.