The Synthetic Color Ring is used for Estetica Synthetic Hair wigs and hair pieces. 

Estetica synthetic hair colors include the following shades:

• Browns: Caramelkiss, R10/14, R10/24/80, R12/26CH, R12/26H, R14/8H, R1B, R2/4, R36F, R4/6, R4/8, R6/10, R6/12H, R6/27H, R6/28F, R6/30/33, R6LF29, R8/10/27/20, R8/12, R8/26H, R8/30, R8LF14, R9/12, RH1226, RJ20/27/10
• Blondes: Honey Toast, R101, R12/14, R14/16, R14/24, R14/26H, R16/100, R16/22, R16/88H, R17/101, R18/22, R18/24H, R22, R22/102, R24/18BT, R25/88, R25F, R25LF123, R26/613, R613, RH1488, RH268, RT613/27
• Greys: Iced Gray, R34, R344LF58, R38, R44, R51, R51LF60, R56, R56T, R59T, R60
• Reds: R133/24H, R133F, R20F, R30/28/26, R32/28H, R32/33/40F, R32F, R33, R33LF24, RH31, RT27/30, RTONERED, Spice, Starfire, Vogue
• Rooted: CHROMERT1B, CKISSRT4, R20RT8, RH12/26RT4, RH1488RT8, RH26/613RT8