Sina’s Lashes Brows Spa logo

Sina’s Lashes Brows Spa

Nail salon · Antioch, CA · reviewed since 2022

How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 69%97+67.2Reliability 31%96+29.5Experts Score= 97Not enough data for value, replies to reviews; its weight is shared by the others.Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews.97SCORE
AGradeLetter from the Experts Score: A = 80+, B = 60–79, C = 40–59, D = 20–39, F = under 20.
#30 of 104 spasPosition by Experts Score among all companies we track in this category. · better than 72%
5.0 ★★★★★ 20 Google reviews · 15 photos
100%five-star reviews
5.00★last 12 monthsAverage stars on reviews from the last 12 months only.
0%1–2★, last 20 reviewsShare of 1–2★ reviews in the last 24 months — or the 20 newest reviews when the company had fewer than 20 in that time.
0%reviews answered by the owner
May 2026latest review

Sina’s Lashes Brows Spa at a glance

Google reviewers rate the salon five stars, noting that staff are friendly, professional, and attentive. Customers frequently describe the facility as clean and relaxing, with praise for the quality of eyelash extensions and brow services, including good retention and accurate results. Recurring themes include punctuality, helpful advice on style selection, and competitive promotions. No low-star reviews or common criticisms are present in the provided excerpts.

  • Google rating: 5.0 out of 5 from 20 reviews (100% five-star).
  • Reviews on this page: 20 Google reviews (19 with written comments).
  • Owner responses: the business replied to 0% of reviews.
  • Most recent review: May 11, 2026.
  • Service: Spa serving Antioch, California.

Data from Google, last updated November 10, 2026.

Score profile vs other spas

Score per factor (100 = best)Each factor is scored 0–100 on absolute terms (star average, share of 1–2★ reviews, price verdicts…); standing within the category can only raise it, never lower it.. Strongest: momentum and satisfaction; weakest: reliability.

Satisfaction97Reliability96Craft & service–Value–Momentum100Replies to reviews–Satisfaction: 97 (median 93)Reliability: 96 (median 91)Momentum: 100 (median 100)
Sina’s Lashes Brows SpaSpas median0 = centre, 100 = best
SatisfactionSatisfaction · 54% of the scoreRecency-weighted star average (2-year half-life), shrunk toward the category mean by review volume; the company’s own lifetime average as the prior; absolute: 4.0★ = 0, 5★ = 100.Sina’s Lashes Brows Spa: 97/100 on this factor. Category median: 93.A
97
ReliabilityReliability · 24% of the scoreHow rarely jobs go badly: share of 1–2★ reviews — 60% the last 24 months (or the 20 newest if fewer), 40% all-time; 0% = 100, 15%+ = 0; the category percentile can only raise it.Sina’s Lashes Brows Spa: 96/100 on this factor. Category median: 91.A
96
Craft & serviceCraft & service · penalty only, up to −10 pointsGoogle review highlights: Quality, Professionalism, Responsiveness, Punctuality — how rarely reviewers flag them as a negative, per review since highlights began; 0% = 100, 5%+ = 0. Subtracted from the score (up to −10), never averaged in — clean highlights are the norm, not a bonus.Not enough reviews for this factor yet. Category median: 99.–
–
ValueValue · 14% of the scoreCustomers’ own price verdicts (Great / Reasonable vs Overpriced) and Value highlights; 65% absolute (all “reasonable” ≈ 80, “great” = 100), the category percentile can only raise it.Not enough reviews for this factor yet. Category median: 100.–
–
MomentumMomentum · penalty only, up to −10 pointsPenalises only a real slide: last-12-month average below lifetime (−0.5★ = 0). Still 4.8★+ over the last year, or steady/improving = 100. Subtracted from the score (up to −10), never averaged in.Sina’s Lashes Brows Spa: 100/100 on this factor. Category median: 100.A
100
Replies to reviewsReplies to reviews · 7% of the scoreHow often the owner publicly replies to reviews under 5★ (1–4★). Needs 3+ such reviews, otherwise not counted; 65% absolute (80%+ replied = 100), the category percentile can only raise it.Not enough reviews for this factor yet. Category median: 61.–
–

Bar = this company · dark tick = category median.

Star ratings

20 Google reviews we collected

  • 5 stars20100%
  • 4 stars00%
  • 3 stars00%
  • 2 stars00%
  • 1 star00%

Praise vs complaints

Phrases our text analysis found in 19 written reviews

  • Praise23100%
  • Complaints00%

Topic share

How often each topic comes up in the written reviews

  • Staff & attitude1148%
  • Quality & results522%
  • Would recommend522%
  • Speed & response29%

What customers talk about

We read 19 written reviews and marked every phrase about these topics. The same colors are highlighted in the reviews.

  • “The salon was clean, relaxing, and very professional.”
  • “Sina’s Lashes Brows Spa did an amazing job with my lashes and brows.”
  • “Sina’s Lashes & Brows is my go-to place for all things beauty!”
  • “Very tidy salon and Everything was very fast, clean, and professional.”

praise complaint · found by our text analysis, Google review wording unchanged.

Recent priced reviews

Isabel5 reviewsTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · a year ago★★★★★

She was fast, attentive, precise, and so sweet. I found this business here on Google and decided to give it a try. I got my eyebrows and upper lip waxed. Place was clean and relaxing as well. Will definitely come back

Paid $1–20Service not listed
Beth7 reviewsTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · a year ago★★★★★

After my regular lash tech canceled last minute, I found Sina online took a chance and I have been seeing her for over 3 years now. She's amazing..very kind, professional and very good at what she does. I'm lucky I found her. 💜

Paid $80–100Eyelash extensions

Photos

Customer reviews

5.0 ★★★★★ 20 reviews on Google · rating breakdown

Reviews from Google, shown as published (original wording, unedited).

Filter by topic — each topic is highlighted in the reviews in the same color
Juda Isca2 reviewsTotal number of Google reviews Juda has written across all businesses on Google Maps, not just this one.
Review from Google · view on Google
★★★★★

Sina’s Lashes Brows Spa did an amazing job with my lashes and brows. The salon was clean, relaxing, and very professional. The staff were kind and made me feel comfortable during the whole appointment. I loved the final results and will definitely come back again.

Isabel Elizondo5 reviewsTotal number of Google reviews Isabel has written across all businesses on Google Maps, not just this one.
Review from Google · view on Google
★★★★★

She was fast, attentive, precise, and so sweet. I found this business here on Google and decided to give it a try. I got my eyebrows and upper lip waxed. Place was clean and relaxing as well. Will definitely come back

  • Price: $1–20
  • Services: Service not listed
Johnpatrick Colorina2 reviewsTotal number of Google reviews Johnpatrick has written across all businesses on Google Maps, not just this one.
Review from Google · view on Google
★★★★★

Sina’s Lashes & Brows is my go-to place for all things beauty! The staff is friendly and truly skilled, always making sure I leave with perfect lashes and brows. The salon is clean, cozy, and welcoming. I always feel pampered and refreshed after each visit.

Beth Prator7 reviewsTotal number of Google reviews Beth has written across all businesses on Google Maps, not just this one.
Review from Google · view on Google
★★★★★

After my regular lash tech canceled last minute, I found Sina online took a chance and I have been seeing her for over 3 years now. She's amazing..very kind, professional and very good at what she does. I'm lucky I found her. 💜

  • Price: $80–100
  • Services: Eyelash extensions
Kiera Young1 reviewTotal number of Google reviews Kiera has written across all businesses on Google Maps, not just this one.
Review from Google · view on Google
★★★★★

I am so happy I did my eyelashes were done by SINA and she is truly a professional and knows what she is doing.

Twyla Morrison1 reviewTotal number of Google reviews Twyla has written across all businesses on Google Maps, not just this one.
Review from Google · view on Google
★★★★★

Clean salon. Great staff, understood exactly what I wanted and created excellent lashes. I would highly recommend here!

Hazel Powell1 reviewTotal number of Google reviews Hazel has written across all businesses on Google Maps, not just this one.
Review from Google · view on Google
★★★★★

Sina gave me beautiful eyelashes, moderate length, slightly curled. I am very satisfied!!! I recommend you come here for eyelash extensions!!

Madison Hall1 reviewTotal number of Google reviews Madison has written across all businesses on Google Maps, not just this one.
Review from Google · view on Google
★★★★★

Sina was very gentle with my services and she did a great job, very friendly and kind people, everything is very clean!! Love my lash!!!

Kaitlyn Douglas1 reviewTotal number of Google reviews Kaitlyn has written across all businesses on Google Maps, not just this one.
Review from Google · view on Google
★★★★★

The service here is a amazing!!!! The salon has such a relaxing atmosphere. The lashes are soft, lightweight, and feel completely natural!!

Kennedy Black1 reviewTotal number of Google reviews Kennedy has written across all businesses on Google Maps, not just this one.
Review from Google · view on Google
★★★★★

Amazing service!! The salon is clean, cozy and very welcoming. The lash artist is super friendly and gave great advice on the best lash style for my face. So thoughtful!!!!

Sina’s Lashes Brows Spa on Google Maps →

Business details

  • Address: 3105 Lone Tree Wy # D, Antioch, CA 94509
  • Phone: (925) 848-9217
  • Service area: Antioch, CA