HoliRoots Compared: 1.8 oz vs 3.4 oz Hair Oil Sizes Reviewed

We compare the HoliRoots Strengthening Hair Oil in its two sizes. The 1.8 oz bottle is the classic introduction to the ritual. The 3.4 oz bottle is the better value for regular oilers.
| Factor | Fable and Mane HoliRoots Strengthening H | Fable and Mane HoliRoots Strengthening H |
|---|---|---|
| Best for | Trying the ritual | Committed weekly oilers |
| Size | 1.8 fl oz | 3.4 fl oz |
| Key ingredients | Ashwagandha, castor oil | Ashwagandha, castor oil |
| Use | Pre-wash scalp treatment | Pre-wash scalp treatment |
| Lasts about | 2 months of weekly use | 4 to 5 months of weekly use |
| Value per ounce | Standard | Better |
| Price | Check price | Check price |
Our Verdict
Pick the 1.8 oz bottle if you are new to hair oiling and want to test the ritual. Pick the 3.4 oz bottle if you already oil weekly and want the best value. The formula inside is identical.
More Top Picks in This Category
Not sold on either of these two? Here are more bestselling options worth considering.

Best for: Weekly deep repair for thick hair
Fable and Mane Deep Moisture Repairing Hair Mask, HoliRoots Hydrating Formula
- Coconut cream and mango butter
- Best for medium to thick hair
- Repairs dry, damaged strands
- Vegan and silicone free
Pros
- Intense moisture and softness
- Fights frizz well
- Lovely natural scent
Cons
- Too rich for fine hair
- Needs 5 plus minutes to work

Best for: Testing the full routine
Fable and Mane Good Karma Hair Gift Set, HoliRoots Travel Minis
- Minis of oil, shampoo, conditioner, mask
- Reusable travel pouch
- Full HoliRoots ritual in one box
- Great gift option
Pros
- Try everything affordably
- Perfect for travel
- Beautiful gift packaging
Cons
- Mini sizes run out fast
- Not the cheapest way to buy full sizes
Moisturizing Formulas on Fine Hair: The Weight Problem
Rich moisturizing products and fine hair are natural enemies, and the HoliRoots oil format needs honest placement here. Fine hair gets weighed down by heavy oils, losing the volume that makes it look full. The signs of too-heavy product: roots that look oily within hours, strands that clump together instead of moving freely, and styles that collapse by midday. The fix is not abandoning moisture but dosing it precisely.
For fine hair, apply oil to the ends only, never the roots, and use half the amount you think you need. The 1.8 oz HoliRoots bottle on this page is actually the smarter fine-hair buy, since it enforces measured use and the ritual stays light. Warm two to three drops between palms and smooth over the bottom third of the hair. If hair still feels heavy, apply to damp hair before styling rather than dry hair after, since damp application distributes more evenly. The curly hair products guide covers lightweight moisture layering for fine textures.
Seasonal Switching: Winter Dry vs Summer Humid
Hair oil needs change with the seasons, and using the same routine year-round causes half the complaints. Winter brings dry heated indoor air that strips moisture: this is oiling season, when richer application and more frequent treatments pay off. The full HoliRoots ritual with generous amounts suits December through February. Summer brings humidity that adds moisture from the air: heavy oiling over humid air creates limp, over-conditioned hair.
The swap list is simple. In humid summer, cut oil amounts in half, focus on ends only, and let the air's moisture do the rest. Humectant-heavy products behave differently by season too: they draw moisture from humid air beautifully in summer but can pull moisture out of hair in dry winter air. If your winter hair feels dry despite oiling, the problem may be humectants working in reverse, and switching to a sealing oil or butter for winter solves it. The Moisture Miracle guide details seasonal routine adjustments.
Is It Working? Reading the Signs
Moisturizing products need a fair trial before judging, and most buyers quit too early or persist too long. Give any new oil or moisturizing routine three to four weeks: hair needs that long to show real texture change. The signs it is working: less breakage when combing, ends that feel smooth rather than crispy, and styles that hold moisture through the day. The signs of over-moisturizing, the lesser-known failure: hair that feels mushy when wet, stretches excessively without springing back, and looks limp no matter what you do.
Over-moisturized hair, hygral fatigue, needs protein, not more oil. If your hair went limp after weeks of diligent oiling, pause the moisture and do a light protein treatment. The balance is the whole game: moisture without protein goes mushy, protein without moisture goes brittle. The HoliRoots ritual works best paired with occasional protein awareness, not as a moisture-only religion. Track breakage, not just feel: fewer broken pieces in the brush is the objective win. The Absolute Repair guide covers the protein side of the balance.
Want the Full Picture?
Getting More Out of Your Shampoo
Whether you reach for the Fable and Mane Deep Moisture Repairing Hair Mask, HoliRoots Hydrating Formula or the Fable and Mane Good Karma Hair Gift Set, HoliRoots Travel Minis, how you use the shampoo matters at least as much as which bottle you buy. Using water that is too hot strips natural oils and can irritate the scalp, so lukewarm is the safer default for every wash. Piling hair on top of the head to lather creates knots that are painful to undo later, so keep the hair pointing downward while you wash.