** Haircare company Olaplex Holdings Inc's shares OLPX.O
down ~4% to $3.85 in premarket trade
** Cowen and Company downgrades stock to "market perform"
from "outperform"; cuts PT to $4.5 from $10
** Brokerage says downgrade reflects slowing consumer
demand, combined with heightened competition
** Says OLPX's long-term margins are at risk as its
management acknowledges the need to invest in marketing and
sales, going forward
** Cowen says penetrating premium salons may take some time
** Three of 13 brokerages rate the stock "buy" or higher,
seven "hold" and three "sell"; their median PT is $5.5
** Up to Wednesday's close, stock down ~23% YTD
(Reporting by Shristi Achar A in Bengaluru)
((Shristi.AcharA@thomsonreuters.com;))