Lift your bottom lip to touch the very bottom of your top front teeth. Blow air through this contact point without voicing.

Americans pronounce face as FAYS (/feɪs/). It's 3 sounds in 1 syllable. The vowel glides through two positions, not one fixed shape — keep both halves audible.
Record yourself saying "face" and play it back. The mic stays on your device — nothing's uploaded.
1 syllable, 3 sounds. Explore each sound's mouth shape and how it's made.
Lift your bottom lip to touch the very bottom of your top front teeth. Blow air through this contact point without voicing.

Start with your jaw slightly open and the front of your tongue forward and slightly up. Glide upward, your jaw closes a little more and your tongue arches higher toward the roof of the mouth.
Place your tongue tip near the roof of your mouth behind your top teeth. Push air through the narrow gap. No voicing.
