import requests
from bs4 import BeautifulSoup as BS
url = "https://my.avon.ru/specialnye-predlozhenija/19/vse-spetspredlozheniya"
r = requests.get(url)
html = BS(r.content, "html.parser")
obj = html.find('a', attrs={"class": "SpecialOfferTitle"})
print(obj)
https://my.avon.ru/api/specialoffersapi/getcategorypromotions?promoCategoryId=19