If it's really that effective, you won't look for magazines to advertise. Word of mouth is the best advertisement.
Women's magazines always say that something can lose dozens of pounds a month, but if you look at the issue at the end of the year, you will find that the most effective introduction for the whole year is to lose dozens of pounds a month.
For example, phenolic molding compound, which was the hottest place last year, lost 45 Jin a month. By the end of the year, it was only said that it had lost 14 Jin a month.