From shampoo to health protection foods, a series of products with Hoang Huong labels appeared widely on social networks.
Before the Ministry of Health proposed to handle the fanpage "Authentic Hoang Huong Meli Pharmaceutical", Hoang Huong was involved in a series of scandals with false advertising, controversial statements and business tricks.
In December 2019, Hoang Huong's dental clinic had its license revoked by the Hanoi Department of Health for using unqualified personnel and illegally changing facilities. Despite the suspension, the facility continued to operate openly until the end of 2020.

In 2021, Hoang Huong Care Medic beverage product was advertised as being too much.
In 2022, the Food Safety Department warned against health protection food products: Hoang Huong bones and joints are being advertised in violation of the law on advertising. Another product is health protection food Hoang Huong blood sugar is advertised with untrue content, exaggerating its uses as medicine, violating legal regulations.
To date, Hoang Huong continues to be "named" for misunderstanding advertisements. In April 2025, the Food Safety Department (Ministry of Health) issued an official dispatch requesting handling of advertising violations on the fanpage "Authentic Hoang Meli Pharmaceutical". Video introducing Morimon horse bone extract powder with easily misleading content This is a medicine. After that, the Department of Radio, Television and Electronic Information confirmed that the violating advertising links had been removed.

A month later, the review results of the Food Safety Department continued to discover that this individual appeared in many other product promotion videos on the fanpage "Hoang Huong - Meli Pharmaceutical". A series of products including Gold HH Blood Clinic, Latimen prostate, Gold HH Stomach, Thien Hoang Sa, Abi Hobecare, Y Xuan... were all reported to have advertising content using the name of the Central Institute for Drug Testing, causing serious confusion with drugs for treatment.
Despite being reminded by the authorities, Hoang Huong's social networking channels Facebook and TikTok still post content regularly.

With the Meli brand, in December 2023, the website of this enterprise posted information about the " Meritorious Artist, Pharmaceutical Artist Hoang Huong" brand launch ceremony, along with a photo of Ms. Huong radiantly with the company team and a confident slogan: "Heroic returns".
After that, Hoang Huong appeared continuously in many videos introducing a series of new products under the Meli brand, mainly focusing on the group of foods that support bones, joints and digestion.
In a video advertising diarrhea, Hoang Huong loudly declared: "Everything is fine". The livestream sales sessions still maintain the "sky-breaking" style, along with many "certificates" introduced as belonging to the "international scientific and medical council".
On the morning of June 27, the personal Facebook page of Duoc Pham Meli - Hoang Huong still had charity information, no more product advertising videos. The official website of Meli Pharmaceutical (https://melipharma.com.vn) has been temporarily locked. Previously, the page also advertised products, such as opening, signing...
On Hoang Huong page (794 thousand followers, with the main blue book), the two website links melipharma and melihome are gradually withdrawn and temporarily locked.
However, on the trading floors as of June 27, there were still many products of Hoang Huong sold.