Shares of manufacturers of eye drops and masks have risen on Monday, with the government issuing emergency measures to reduce air pollution caused by fine dust particles.

Yungjin Pharm, DHP Korea, Samil Pharm, Cho-A Pharm, Ahn-gook Pharm, and Boryung Pharmaceutical saw their stock prices all going up on Monday. The companies are called “fine dust-themed stocks” as their products help people cope with fine dust.

Shares of Ahn-gook Pharm, the seller of nutritional supplements for eyes Tobicom and Lutein, soared by 14 percent to 14,850 won ($13.9) as of 11:30 a.m. Monday from the previous trading day.

The stock price of Boryung Pharm, promoting a commercial copy “Take Younggaksan Cool Powder to Fight Fine Dust,” also climbed 3.8 percent to 51,400 won from Friday.

Eye drops Hyabak seller Samil Pharm’s shares picked up 3.6 percent to 9,430 won.

JW Pharmaceutical, which drew attention after its participation in the J.P. Morgan Healthcare Conference last week, saw its shares increasing 1.5 percent to 48,300 won, at the same time.

JW Pharmaceutical is aggressively carrying out PR activities for a car air freshener Phyton Care, after recently releasing it in the market. The company provided free products for taxi union members in southern Seoul, in a briefing session. As people tend to close the car windows while driving due to bad air quality, the demand for Phyton Care will rise, the company said.

Shares of optic precision equipment manufacturer Huvits also went up 1.2 percent to 13,150 won. DHP Korea, which sells disposable eye drops, inched up 0.58 percent to 8,650 won.

Among new drug developers, Yungjin Pharm’s shares ended the morning trade by rising 0.97 percent to 10,450 won. The company is working on YPL-001, a treatment for the chronic obstructive pulmonary disease (COPD).

The government announced the “comprehensive measures to manage fine dust” in September and has been responding to the issue of bad air quality with various countermeasures.