PickGuideCANNI 9ML Nail Gel 6 Colors Set Review: Is Their Best-Seller Worth It?
CANNI's own "Best Sellers" collection page lists the 9ml Nail Gel 6 Colors Set in the #1 spot, ahead of every one of its 30-piece kits, so that's the product we dug into — real formula details, what's actually in the box, and how the glowing on-site rating compares to CANNI's much rougher independent Trustpilot record.
This is a 6-bottle, 9ml-per-bottle soak-off gel polish set. CANNI sells 64 different pre-grouped 6-color sets (numbered 2300 through 2363), and the product page is upfront that colors can repeat across different 6-bottle groupings — if you want to guarantee no duplicates, CANNI itself recommends buying single bottles or its 30-piece kits instead. The formula is HEMA-free and TPO-free (Ethyl Trimethylbenzoyl Phenylphosphinate is the listed photoinitiator instead), vegan, and cures under both UV and LED lamps — CANNI lists roughly 30-60 seconds per layer under LED and about 1-3 minutes under UV. Application follows the standard 4-step soak-off gel process: dehydrator/primer prep, a base coat, two coats of color, then a top coat — none of which are included in this particular set, since it's color bottles only, not a full system kit. On CANNI's own product page, it currently holds a 4.53/5 rating from 83 reviews, a meaningfully larger sample than most of the single 30-piece kits, which mostly sit in the single digits to low teens for review counts. That's a real point in its favor if you're trying to judge consistency rather than read into one or two written reviews. Where things get less flattering is off CANNI's own site: the store's Trustpilot page sits at 3.1/5 from only 11 reviews, with a genuinely polarized split (45% five-star, 46% one-star, almost nothing in between) — worth knowing before you buy, even though an 11-review Trustpilot sample is far too small to be the deciding factor on its own.
Pros
- HEMA-free and TPO-free formula, which matters for buyers with known sensitivities to those common gel-polish ingredients
- 4.53/5 from 83 on-site reviews — one of the larger review samples across CANNI's catalog, not just a handful of ratings
- 64 different pre-curated 6-color groupings means you're not stuck picking six shades one at a time
- UV and LED compatible with clearly published per-layer cure times, so it works with either lamp type you already own
- Vegan formula, which is stated as a specific claim rather than vague marketing language
Cons
- Colors can repeat across the pre-grouped 6-bottle sets — CANNI itself warns about this and points you to single bottles or the 30-piece kits if duplicates bother you
- This set is colors only — no base coat, top coat, primer, or dehydrator included, so first-time buyers need to already own (or separately buy) the rest of the system
- Individual color-set availability fluctuates by shade group; some of the 64 numbered sets can be sold out while others are in stock, so your first color pick isn't guaranteed to be available
- Trustpilot's store-wide rating (3.1/5, 11 reviews) is noticeably lower and more polarized than the on-site 4.53/5 — a real gap worth weighing, even from a small sample
- 9ml bottles are a per-color commitment; at $19.90 for 6 colors you're paying more per bottle than buying a larger single-color bottle if you already know exactly which shades you want
Who It's For
Good For
- Buyers who already own base/top coat and a UV or LED lamp and just want to add a curated set of new shades
- People with HEMA sensitivity who specifically need a HEMA-free formula
- Anyone who wants a larger on-site review sample (83 reviews) to judge consistency before buying, rather than a kit with only a handful of reviews
Skip If
- You're starting from zero and need base coat, top coat, primer, and dehydrator too — CANNI's 30-piece kits bundle the full system for not much more money
- You want a guaranteed zero-duplicate 6-color set — CANNI's own note says repeats can happen in these pre-grouped bundles
- The gap between CANNI's on-site rating and its 3.1/5 Trustpilot score is a dealbreaker for you regardless of sample size
How It Compares: CANNI 9ml Gel 6-Color Set vs CANNI CC1 30pcs Gel Polish Kit
| Spec | CANNI 9ml Gel 6-Color Set | CANNI CC1 30pcs Gel Polish Kit |
|---|---|---|
| Price | $19.90 | $99.00 |
| Colors included | 6 (may repeat with other 6-bottle sets) | 24 fixed, non-repeating colors |
| System included | Color bottles only | Dehydrator, primer, base coat, reinforce gel, diamond top coat, matte top coat |
| On-site rating | 4.53 / 5 (83 reviews) | 4.78 / 5 (37 reviews) |
The 6-color set wins on price and is the better add-on if you already own a base/top coat system; the CC1 30pcs kit costs 5x more but bundles the entire application system with triple the colors, making it the better starting point for someone with no gel supplies yet.
See CANNI CC1 30pcs Gel Polish Kit →
Verified Ratings
Key Specs
| Bottle count / size | 6 bottles x 9ml each |
| Color groupings available | 64 pre-curated 6-color sets (numbered 2300-2363) |
| Formula | HEMA-free, TPO-free, vegan |
| Cure type | UV or LED lamp compatible |
| Cure time (LED) | ~30-60 seconds per layer |
| Cure time (UV) | ~1-3 minutes per layer |
| Application system needed | Base coat, 2x color coat, top coat (sold separately) |
| Key photoinitiator | Ethyl Trimethylbenzoyl Phenylphosphinate (TPO-free alternative) |
| Price | $19.90 for the 6-bottle set |
In The Box
- 6x 9ml CANNI color gel polish bottles (one pre-selected 6-color grouping)
Frequently Asked Questions
Does this set include base coat and top coat?
No. This particular set is six color bottles only. CANNI sells base coat, top coat, primer, and dehydrator separately, or bundled into its 30-piece kits (like the CC1-CC8 sets) if you want the full system in one purchase.
Will I get six different colors, or can they repeat?
CANNI's own product page states that colors in different 6-bottle sets may repeat. If avoiding duplicates matters to you, CANNI recommends buying single bottles individually or choosing one of its 30-piece kits instead, where the color range is fixed and non-repeating.
Why is the on-site rating so much higher than the Trustpilot rating?
CANNI's own product page shows 4.53/5 from 83 reviews for this specific item, while CANNI's store-wide Trustpilot page shows 3.1/5 from only 11 reviews with a polarized split (45% five-star, 46% one-star). The on-site number reflects reviews of this product specifically and is a larger sample; the Trustpilot number reflects overall store experience (shipping, service, etc.) from a much smaller pool. Both are real and worth weighing — neither should be read as the full picture on its own.
Can I use this with any UV or LED lamp?
CANNI states the formula cures under both UV and LED lamps, with LED curing faster per layer (about 30-60 seconds) than UV (about 1-3 minutes). It isn't tied to a proprietary CANNI lamp.
Verdict
As CANNI's actual #1 best-seller by the store's own ranking, this set earns the spot reasonably: it's a real HEMA/TPO-free formula with a genuinely large on-site review sample (83 reviews at 4.53/5) rather than a handful of cherry-picked ratings, and the UV/LED cure times and ingredient list are stated plainly instead of buried in marketing copy. The honest caveats are that it's colors-only (you need the rest of the system separately), duplicate shades are possible within a set, and CANNI's independent Trustpilot record is rougher and more polarized than the on-site number alone would suggest. If you already have your base/top coat sorted and just want a well-reviewed batch of new shades, it's a reasonable pick; if you're building a full at-home gel setup from scratch, look at one of CANNI's 30-piece kits instead.