# FACS Facial Expression Control

> A specialized prompt system using Facial Action Coding System (FACS) codes to precisely modify expressions on reference characters in GPT Image 2.0.

- Type: single prompt
- Written for: [GPT Image 2](https://orisu.ai/prompts/m/gpt-image-2)
- Category: [Portrait](https://orisu.ai/prompts/c/portrait)
- Tags: Multi-aspect, Tech, Starter
- Published: 2026-09-07
- Page: https://orisu.ai/prompts/facs-facial-expression-modification

## Prompt

- Model: GPT Image 2

```text
Facial expression change FACS AU46\n\nFacial Action Coding System (FACS) List\nFemale Character Reference Grid\n\n1. AU1 - Inner Brow Raiser\n2. AU2 - Outer Brow Raiser\n3. AU4 - Brow Lowerer\n4. AU5 - Upper Lid Raiser\n5. AU6 - Cheek Raiser\n6. AU7 - Lid Tightener\n7. AU9 - Nose Wrinkler\n8. AU10 - Upper Lip Raiser\n9. AU11 - Nasolabial Deepener\n10. AU12 - Lip Corner Puller\n11. AU13 - Sharp Lip Puller\n12. AU14 - Dimpler\n13. AU15 - Lip Corner Depressor\n14. AU16 - Lower Lip Depressor\n15. AU17 - Chin Raiser\n16. AU18 - Lip Pucker\n17. AU20 - Lip Stretcher\n18. AU22 - Lip Funneler\n19. AU23 - Lip Tightener\n20. AU24 - Lip Pressor\n21. AU25 - Lips Part\n22. AU26 - Jaw Drop\n23. AU27 - Mouth Stretch\n24. AU28 - Lip Suck\n25. AU41 - Lid Droop\n26. AU42 - Slit Eyes\n27. AU43 - Eyes Closed\n28. AU44 - Squint\n29. AU45 - Blink\n30. AU46 - Wink\n31. AU51 - Head Turn Left\n32. AU52 - Head Turn Right\n33. AU53 - Head Up\n34. AU54 - Head Down\n35. AU55 - Head Tilt Left\n36. AU56 - Head Tilt Right\n37. AU57 - Head Forward\n38. AU58 - Head Back\n39. AU61 - Eyes Turn Left\n40. AU62 - Eyes Turn Right\n41. AU63 - Eyes Up\n42. AU64 - Eyes Down\n43. AU71 - Brow Furrow\n44. AU72 - Brow Bulge\n45. AU81 - Chewing\n46. AU82 - Nostril Dilator\n47. AU83 - Nostril Compressor\n48. AU84 - Tongue Up\n49. AU85 - Tongue Out
```

Original prompt (ja):

```text
表情変更 FACS AU46\n\n顔面動作符号化システム（FACS）一覧表\nFemale Character Reference Grid\n\n1. AU1 - Inner Brow Raiser（内眉を上げる）\n2. AU2 - Outer Brow Raiser（外眉を上げる）\n3. AU4 - Brow Lowerer（眉を下げる）\n4. AU5 - Upper Lid Raiser（上まぶたを上げる）\n5. AU6 - Cheek Raiser（頬を上げる）\n6. AU7 - Lid Tightener（まぶたを引き締める）\n7. AU9 - Nose Wrinkler（鼻にしわを寄せる）\n8. AU10 - Upper Lip Raiser（上唇を上げる）\n9. AU11 - Nasolabial Deepener（鼻唇溝を深める）\n10. AU12 - Lip Corner Puller（口角を引き上げる）\n11. AU13 - Sharp Lip Puller（口角を鋭く引く）\n12. AU14 - Dimpler（えくぼを作る）\n13. AU15 - Lip Corner Depressor（口角を下げる）\n14. AU16 - Lower Lip Depressor（下唇を下げる）\n15. AU17 - Chin Raiser（あごを上げる）\n16. AU18 - Lip Pucker（唇をすぼめる）\n17. AU20 - Lip Stretcher（唇を横に引き伸ばす）\n18. AU22 - Lip Funneler（唇を漏斗状にすぼめる）\n19. AU23 - Lip Tightener（唇を引き締める）\n20. AU24 - Lip Pressor（唇を押しつける）\n21. AU25 - Lips Part（唇を開く）\n22. AU26 - Jaw Drop（あごを下げる）\n23. AU27 - Mouth Stretch（口を大きく開く）\n24. AU28 - Lip Suck（唇を吸い込む）\n25. AU41 - Lid Droop（まぶたを垂らす）\n26. AU42 - Slit Eyes（目を細める）\n27. AU43 - Eyes Closed（目を閉じる）\n28. AU44 - Squint（しかめ目・目をすぼめる）\n29. AU45 - Blink（まばたき）\n30. AU46 - Wink（ウインク）\n31. AU51 - Head Turn Left（頭を左に向ける）\n32. AU52 - Head Turn Right（頭を右に向ける）\n33. AU53 - Head Up（頭を上げる）\n34. AU54 - Head Down（頭を下げる）\n35. AU55 - Head Tilt Left（頭を左に傾ける）\n36. AU56 - Head Tilt Right（頭を右に傾ける）\n37. AU57 - Head Forward（頭を前に出す）\n38. AU58 - Head Back（頭を後ろに引く）\n39. AU61 - Eyes Turn Left（目線を左に向ける）\n40. AU62 - Eyes Turn Right（目線を右に向ける）\n41. AU63 - Eyes Up（目線を上に向ける）\n42. AU64 - Eyes Down（目線を下に向ける）\n43. AU71 - Brow Furrow（眉間にしわを寄せる）\n44. AU72 - Brow Bulge（眉を盛り上げる）\n45. AU81 - Chewing（噛む動作）\n46. AU82 - Nostril Dilator（鼻孔を広げる）\n47. AU83 - Nostril Compressor（鼻孔を狭める）\n48. AU84 - Tongue Up（舌を上げる）\n49. AU85 - Tongue Out（舌を出す）
```

## Example output

- ![FACS Facial Expression Control — example output](https://assets.orisu.ai/prompt-library/youmind/facs-facial-expression-modification.jpg)

## Credit

- Author: ぐふとくく (https://x.com/gufutokuku999)
- Original post: https://x.com/gufutokuku999/status/2053000139275641034
- Collected via: youmind.com

## Run it in Orisu

Orisu runs this prompt on your own product, model or brand, with dozens of image and video models under one account. Start free: https://app.orisu.ai/auth/sign-up?utm_source=prompt-library&utm_medium=cta&utm_campaign=prompts&utm_content=facs-facial-expression-modification&utm_term=markdown&prompt=facs-facial-expression-modification

Source: Orisu prompt library, https://orisu.ai/prompts/facs-facial-expression-modification